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Clarisse 800259 Fitted Sweetheart Jersey Dress
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Standard: arrives in 7 to 12 days
Express: arrives in 4 to 6 days
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Style it with
Stick-on bra
Invisible support for strapless & backless
$20 CAD
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Double-sided tape
Keeps necklines in place all night
$20 CAD
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Garment bag
Our signature pink bag. Arrives clean and protected
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Description
About the Dress: Clarisse 800259
Clarisse 800259 is a long fitted jersey dress built around three standout details: a front high slit, a dramatic open crisscross back, and a sweep train. The silhouette is sleek and body-hugging from the sweetheart neckline all the way to the floor, with horizontal ruching across the midsection that shapes the waist. Thin spaghetti straps cross and lace at the mid-back, leaving the majority of the back completely open. It comes in seven colors — Black, Deep Red, Electric Blue, Navy Blue, Neon Pink, Neon Red, and Powder Blue.
Fit & Silhouette
Clarisse 800259 is a true fitted silhouette — the fabric follows the body through the bust, waist, and hips without any flare or volume. The ruching at the stomach pulls the fabric inward to define the waist and smooth the midsection. The front high slit opens at the leg, and the sweep train adds length at the back hem. This dress is designed to fit close, so sizing to your largest measurement and having a tailor take in the waist if needed is the most reliable approach. The crisscross back straps are adjustable through the lacing, which gives a small amount of flex at the back — typically about one dress size up or down.
Fabric & Detail
The dress is made from a smooth stretch jersey. Jersey in this weight has a matte surface with a soft sheen, no glitter, no sequin, and no mesh. It moves easily, which is important for a fitted dress with a slit — you get clean drape without stiffness. The horizontal ruching is sewn into the fabric at the stomach, not a removable sash, so it keeps its shape throughout the night. The sweep train is cut from the same jersey and sits flat against the floor without bulk.
Key Features
- Sweetheart neckline with thin spaghetti straps
- Fitted stretch jersey construction through the full length
- Ruching across the midsection and stomach
- Front high slit for ease of movement
- Open crisscross lace-up back — full back exposure from shoulder to low back
- Sweep train at the hem
- Available in 7 colorways: Black, Deep Red, Electric Blue, Navy Blue, Neon Pink, Neon Red, Powder Blue
Style & Occasion
Clarisse 800259 is built for prom and formal evening events where a clean, minimal silhouette makes the statement. The styling is entirely in the cut — the exposed back, the slit, and the long train do the work without any embellishment. For shoes, a strappy heeled sandal or barely-there heel in gold, silver, or a matching colorway keeps the look in line with the minimalist direction. Jewelry should be kept simple: a thin chain or small stud earrings let the back do the talking. If you want more impact, a delicate body chain layered against the open back works well. The bold colorways — Neon Pink, Neon Red, Electric Blue — stand on their own. The Navy Blue, Black, and Deep Red options are a strong base for metallic accessories. Powder Blue is the softest option and suits those who want color without intensity. This dress is best for prom, formal dances, and evening events.
Size & fit
- Fitted (high slit). Bust, waist and hips all matter. Go by your largest measurement.
- Length: Long
- Neckline: Scoop, Sweetheart
- Details: Open Back, Train
- Between sizes? Text a stylist and we'll help you choose.
Shipping
- Arrives in 7–12 business days, or 4–6 with Express (+$35).
- Free shipping over $250 to Canada and the USA.
- Text updates as your order ships.
Full shipping details
Your Dress — Delivered in Days, Not Weeks.
We know timing matters — especially for prom, weddings, quinceañeras, and special events.
- Receive your dress within 7–12 business days, depending on designer availability.
- You’ll receive text updates as your order moves from processing to shipping.
- Once shipped, delivery typically takes 2–5 business days within North America.
Need it sooner?
We offer rush options where you can receive your dress within 4–6 business days. Text us at +1 416-536-2956 before ordering and we’ll confirm the fastest possible delivery date.
We are an authorized retailer of top designers, which means your dress ships brand new and directly from the designer or our showroom — never used, never rented.
Have an event date? Add it in your order notes so we can prioritize accordingly.
We proudly ship across Canada, the United States, and Internationally, with in-store pickup available at our Toronto showroom.
Returns
- Tell us within 5 days of delivery.
- 100% store credit, a one-time exchange, or a refund (30% restocking fee).
- Online purchases only; in-store purchases are final.
Full return policy
WE ACCEPT RETURNS!
For Online Purchases Only. All in-store purchases are FINAL.
We hope you LOVE your dress — but if you're not completely satisfied with your online purchase, you may request:
- 100% Store Credit (no expiration).
- A one-time exchange, OR
- A return with a 30% restocking fee, OR
You must notify us of a return within 5 days of delivery (including weekends and holidays — we are open 7 days a week).
We have no control and accept no responsibility for the sizing selected. Please carefully review the size chart before ordering. If you need assistance with sizing, we’re happy to help — text us at +1 416-536-2956.
ORDER CHANGES & CANCELLATIONS
Once your order is placed, you have 5 hours to request a change to the color, size, or style.
If an item becomes unavailable, we will offer alternatives or provide the option of a full refund for that item.
Please see our Returns & Exchanges page for full details.
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Free standard shipping on orders over $250 to the US and Canada. Under $250, shipping is shown at checkout.
Shipping details -
US orders ship from our warehouses in Los Angeles, Chicago and New York. Canadian orders ship from Toronto. No duties to pay at the door.
Shipping details -
Exchange, store credit or refund. Dresses tagged Final sale can't be returned.
Return policy -
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Why buy from Marlas
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Toronto flagship10,000 sq ft showroom, 100,000+ clients styled
15,700+ online ordersShipped to 59 countries
Real stylistsText, WhatsApp or chat. Replies in about 10 min
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Clarisse 800259 Fitted Sweetheart Jersey Dress with High Slit and Train
Sale price $570 CAD
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Frequently Asked Questions
The colors in the product photos are shot under studio lighting, which can push some colorways more vivid than they appear in real life — and for a few others, the screen can actually undersell how rich the shade is in person. Here is a breakdown of what to expect for each of the seven options.
Neon Pink photographs very bright and saturated. In person it is still a bold, head-turning pink — not a pastel, not a hot pink — but the intensity reads slightly softer under regular venue lighting than it does on screen. It reads well in both flash photography and ambient light, which matters for prom nights.
Neon Red is a vivid true red with a cool-to-neutral undertone. Under venue lighting it holds its punch very well. If you want red and want it to stand out in a crowd, this is the pick.
Deep Red is a darker, more wine-adjacent red. In photos it can look almost maroon; in person it sits somewhere between a classic red and burgundy depending on the light. It is the most versatile of the two reds and photographs beautifully.
Black is the most straightforward — jersey in black reads the same in photos as in person. The matte finish on this fabric means it does not reflect or wash out under flash.
Navy Blue is a clean, saturated navy with no grey or purple undertone. Under warm ballroom lighting it reads slightly deeper than it does on screen. It is a strong choice if you want a colour with presence but not neon impact.
Electric Blue is vivid and saturated, sitting between a true cobalt and a royal blue. Under venue lighting it holds its brightness well. It photographs very close to how it looks in person.
Powder Blue is the lightest option — a cool, soft sky blue. On screen it can look almost icy; in person it is slightly warmer and more wearable than photos suggest. It is the best pick if you want color without intensity.
For choosing: if you are concerned about matching accessories, Navy and Black are easiest to pair. If you want maximum visual impact, Neon Pink or Electric Blue. If you want the most classic formal look, Deep Red or Black. When in doubt about a specific shade, reach out before ordering — we are happy to pull the physical garment and describe the color to you directly.
Clarisse 800259 is designed primarily as a prom dress and a formal evening dress. The combination of a front high slit, a fully open crisscross back, and a fitted jersey silhouette places it firmly in the sleek, body-conscious category — which means it is exactly right for prom, formal dances, and evening events where that aesthetic is expected and welcomed.
For prom specifically it hits every mark: it is long, it is formal in construction, and the dramatic back makes it stand out in a ballroom setting without relying on heavy embellishment. The sweep train reads as formal without being theatrical.
For formal evening events — galas, formal dinners, awards ceremonies — the dress works very well as long as the dress code is genuinely formal rather than black-tie-conservative. The open back is a real design feature, not a subtle detail, so this is worth factoring in if the event is more conservative in tone.
For re-wearing after prom, this dress has genuine versatility. It is not a novelty piece — the clean lines and minimal styling mean it does not date quickly. The bold colorways like Neon Pink or Electric Blue will always read as a statement, while Black, Navy, and Deep Red give you something you can wear to an evening event or formal dinner without it feeling costume-like.
As a wedding guest, this dress works best at evening receptions or black-tie celebrations where a bold, form-fitting silhouette fits the atmosphere. The exposed back and high slit suit evening and black-tie receptions best; for daytime or more conservative wedding ceremonies, a more covered style is usually the better choice. It is also not suitable for military ball events, which require a covered back, or holiday parties where you want a more relaxed approach.
If you are comparing this style to a more embellished prom gown and wondering which is right for your event, the deciding factor is usually the venue aesthetic. For a traditional prom with big ballroom energy, both work. For a more intimate formal or an event with a fashion-forward crowd, the minimal fitted approach of the 800259 tends to photograph better and wear more comfortably through a long night.
Jersey is one of the more travel-friendly formal fabrics because it resists hard creases. Clarisse 800259 in stretch jersey can be folded carefully for travel without the risk of permanent wrinkle lines that you would get with a chiffon or heavy satin gown. For best results when packing, fold it loosely with the slit opening flat, and lay it in a garment bag rather than bundling it. Once you hang it at the destination, any minor folds from travel will drop out within a few hours.
For cleaning, spot-clean minor marks with a damp cloth and mild soap immediately after the event. For a full clean, gentle hand-wash in cool water or a delicate machine cycle in a mesh garment bag is appropriate for jersey. Do not wring the fabric — press the water out gently and lay it flat to dry, or hang it away from direct heat. Dry cleaning is also an option if you prefer to have it professionally handled.
For storage between wear, hang it on a padded hanger in a cool, dry space. Avoid compressing the train under other garments. If you are storing it long-term after the season, a breathable garment bag is better than a sealed plastic one, which can trap moisture.
Avoid ironing directly on jersey — if you need to remove a stubborn crease, use a steamer held a few inches from the fabric rather than a hot iron directly on the surface.
The silhouette of Clarisse 800259 is built on restraint — the drama comes from the cut, the open back, and the slit, not from surface decoration. That means accessories should be chosen to complement rather than compete.
For shoes, a strappy heeled sandal is the most natural match. Barely-there heel straps in metallic gold, silver, or a tone-matched color to the dress keep the leg line clean through the slit. A block heel or platform is fine if comfort is a priority and still works with the silhouette. Avoid a chunky boot or embellished platform, which disrupts the minimal direction of the dress.
For jewelry, the open crisscross back is the focal point of the dress from behind, so back jewelry competes with it rather than adds to it. A simple approach works best: small stud earrings or thin hoop earrings, a fine chain necklace at the collarbone, or no necklace at all if you are letting the sweetheart neckline stand on its own. A delicate body chain layered against the open back is the one bold jewelry move that enhances rather than distracts.
For bags, a small structured clutch or a thin chain-strap mini bag is the right scale. For hair, an updo exposes the full back — which is usually the goal with this dress. A half-up style or a sleek low bun both work. Loose waves down the back partially cover the crisscross detail, which some wearers prefer for warmth or modesty.
The ruching at the midsection is the most universally flattering detail on Clarisse 800259. Horizontal gathering across the stomach creates a visual narrowing effect and smooths the transition between the waist and hips, which benefits a range of body proportions. It is not a separate sash that can shift out of place — it is sewn in, so it stays where it is meant to be all night.
For a hourglass or pear-shaped figure, the fitted jersey follows the natural curve from waist to hip, and the ruching at the stomach keeps the waist defined. The front slit draws the eye downward and lengthens the leg line.
For a straighter or athletic build, the ruching adds waist definition that the silhouette alone would not create, and the sweetheart neckline adds shape at the bust.
For a fuller bust, the sweetheart neckline is a supportive and flattering shape. The thin straps are primarily styling — if additional support is a concern, a stick-on or convertible bra solution works well under this neckline given the open back.
The most important fit note regardless of body type: the dress needs to fit correctly at the hips and bust. Jersey has stretch, but it should not be stretched taut across the widest points — that affects how the ruching looks and how the slit sits. Sizing to your largest measurement and altering down is more reliable than sizing up.
Clarisse 800259 ships in 7 to 12 business days from order placement. Orders for US and Canadian customers ship from our Los Angeles and New York warehouses, with Canadian orders fulfilled from our Toronto location — no duties apply for US or Canadian customers. International orders ship worldwide with full tracking.
If you need the dress by a specific date — for example, your prom date, a fitting appointment, or an event deadline — rush shipping is available. Reach out to us before placing your order and we can confirm the fastest available option for your location and confirm stock in your size and color.
For time-sensitive orders, we recommend building in at least a few extra days beyond the shipping window if you need alterations, since any formal dress may require minor tailoring once it arrives. Our team can advise on typical lead times for your specific location if you contact us directly.
Our concierge team is available by text at +1 416-536-2956 or WhatsApp at +1 213-868-3131 — reach out any time and we will give you a straight answer on timing before you commit to the order.
Yes — you can order Clarisse 800259, try it on at home, and return or exchange it if it is not right. Our return policy gives you three options: a full store credit that never expires, an exchange for a different size or color, or a refund minus a 30% restocking fee. The restocking fee covers the cost of receiving, inspecting, and returning the garment to available inventory — the dress must be returned in its original unworn condition with tags attached.
For prom dresses specifically, trying on at home is actually a smart approach. Fit in a formal fitted jersey dress is easier to assess when you are moving around in your own space — walking, sitting, testing the slit range of motion — than it is in a rushed boutique appointment.
If you are between sizes or unsure whether the fit will work for your body proportions, ordering your closest size and trying it on before committing to alterations is exactly what we would recommend. If it arrives and the fit is off in a way that alterations cannot easily correct, the exchange option lets you swap to a different size without losing your investment.
For any questions about fit before ordering, or to confirm current stock in your size and color, reach out before placing your order — we are happy to advise.
The main difference is that Clarisse 800259 achieves its impact through silhouette and construction rather than embellishment. Most fitted long prom dresses in this price range rely on sequins, beading, glitter, or lace to create visual interest. The 800259 uses none of those — the statement comes entirely from the open crisscross back, the front high slit, the ruched waist, and the sweep train.
That makes it a genuinely different product in practice. It photographs very cleanly — no surface texture means the silhouette and color read clearly in every shot. It moves differently from a beaded or sequin dress because jersey has stretch and drape that stiffer fabrics do not. And it is lighter to wear through a long event.
The other differentiator is the back. A crisscross lace-up back on a fitted jersey dress with full open-back exposure is a specific look — it is not something that reads as subtle or background. If you want a dress where the back is a feature, this works. If you want something with a covered back or a more traditional formal back construction, this is not the right fit.
The sweep train is also worth noting as a detail that is often absent from short-to-mid-price fitted dresses. It adds formal length and movement at the back hem without adding bulk to the silhouette.