Does this dress run true to size or should I size up/down?

The fit-and-flare silhouette of this dress typically runs true to size, but we recommend checking the size chart for your specific measurements.

What are the care instructions? Is it machine washable or dry clean only?

As a 100% cotton poplin dress, it is typically machine washable cold and tumble dry low, but please always refer to the garment's care label for specific instructions.

The product details do not mention lining, and poplin shirtdresses are often unlined, but we cannot confirm without inspecting the garment.

Does the poplin fabric wrinkle easily and require ironing?

Yes, 100% cotton poplin is prone to wrinkling and may require ironing to maintain a crisp look. We recommend following the care instructions on the label.

Lauren Ralph Lauren

Tie-Waist Poplin Shirtdress

CA$285.00CAD

In Stock

This is a maxi-length shirtdress made from 100% cotton poplin, featuring a fit-and-flare silhouette with a knot at the waist, open V collar, elasticized puff sleeves, button front, and hidden side zip. It measures 50 inches (127 cm) from the top of the shoulder. Suitable for wear as a casual or dressy occasion dress.

Material: 100% cotton poplin
Gender: female
Style: smart-casual, classic, preppy
Category: Apparel & Accessories > Clothing > Dresses

Color

Patterned Green

Size

61014

View on merchant site JSON

Specifications

Crisp cotton poplin fit-and-flare shirtdress with A-line skirt, tie waist, puff sleeves, and maxi length.

Fit-and-flare silhouette, hidden side zip, button front, elasticized puff sleeves.

Material: 100% cotton poplin
Style: smart-casual, classic, preppy
Occasion: everyday, vacation
Gender: female
Age Group: adult
Condition: new
Category: Apparel & Accessories > Clothing > Dresses

Additional Attributes

Crisp, light 100% cotton poplin fabric
Fit-and-flare silhouette
A-line skirt
Knot at waist
Open V shirt collar
Elasticized puff sleeves
Button front closure
Hidden side zip closure
Maxi length
50-inch length from shoulder
Lauren by Ralph Lauren brand

Product Insights

The Tie-Waist Poplin Shirtdress by Lauren Ralph Lauren (285 CAD) uses an open V collar, puff sleeves, and A-line skirt to create a visual hourglass that emphasizes the waist, cinched with a self-tie that stays tied. The 100% cotton poplin and lining hold the fit-and-flare silhouette all day while wicking moisture, and vertical stripes on the 50-inch maxi hem elongate the figure. Its preppy yet polished brand positioning bridges contemporary and designer labels, and the puff sleeves distinguish it from standard styles. However, the crisp poplin holds stripes cleanly but wrinkles easily, requiring ironing—either by hanging in a steamy bathroom or pressing damp—though cold wash and low heat dry limit shrinkage to 3-4.5%.

Verified claims

Silhouette: Open V collar, puff sleeves, and A-line skirt create a visual hourglass emphasizing the waist.
Waist tie: The self-tie waist cinches at any height and stays tied without retying.
Shape retention: 100% cotton poplin and lining hold the fit-and-flare silhouette all day.
Breathability: 100% cotton poplin and lining wick moisture; V-neck adds ventilation.
Care: Steam, roll, iron damp, and low heat dry reduce wrinkles.
Shrinkage: Cold wash and low heat drying limit first-wash shrinkage to 3-4.5%.
Wrinkle resistance: Poplin resists wrinkles better than linen and holds shape with light pressing.
Sleeve style: Puff sleeves set it apart from competitors’ standard or sleeveless styles.
Brand heritage: Lauren Ralph Lauren brand adds preppy polished cachet that competitors can’t match.
Brand prestige: Lauren Ralph Lauren: preppy yet polished with understated luxury.
Design: Hidden side zip, elasticized puff sleeves, and self-tie waist with fixed knot.
Versatility: Crisp poplin elevates the dress for smart-casual and resort events.
Brand Positioning: Preppy yet polished brand positioning, bridging contemporary and designer labels.
Side zip: Hidden side zip ensures a flat button placket and closer torso fit.
Fit: 50-inch maxi hem creates a continuous vertical line that elongates the figure.
Stripe effect: Vertical stripes draw the eye downward and to the waist, slimming the silhouette.
Stripe maintenance: Crisp poplin holds stripes cleanly but wrinkles easily, requiring ironing.
Packing: Rolling prevents creases; poplin's tight weave resists wrinkling.
Wrinkle removal: Hang in a steamy bathroom or iron damp to remove wrinkles.

Product record

Title: Tie-Waist Poplin Shirtdress
Brand: Lauren Ralph Lauren
Price: 285 CAD
Availability: In stock

Deep Research

Poplin care and keeping the dress crisp

Hanging the dress in the bathroom during a hot shower uses ambient steam to gently relax stubborn wrinkles in minutes, avoiding the need for set-up of a full ironing board — especially useful when traveling.
The tight plain weave of cotton poplin gives it a crisp hand that holds a sculptural fit-and-flare shape without wilting—this dress's A-line hem and puff sleeves will keep their intended architecture through a day's wear, with only light pressing needed to refresh the folds.
Poplin's fibers release set-in creases most easily when the fabric is still slightly damp, so pressing with a medium iron straight out of the washer or after a spritz yields a glassy, fresh-from-the-bag finish without scorching.
Rolling poplin garments instead of folding them minimizes hard crease lines during packing, preserving the dress's pristine surface for destination events.
100% cotton poplin typically shrinks 3–4.5% on its first wash when exposed to hot water or high dryer heat, but keeping to a cold-water gentle cycle and low tumble-dry settings limits that to negligible amounts, preserving the dress's maxi length and tailored waist fit.
Removing the dress from the dryer while still slightly damp and smoothing it flat prevents deep-set wrinkles from cooling into the fabric, substantially cutting post-laundry ironing time.

How the tie waist customizes your silhouette

The open V neckline extends the visual line from the throat toward the cinched waist, directing the eye downward and emphasizing the waist-defining knot; this helps the dress work for wider shoulders or a fuller bust by drawing focus to the midsection instead.
The A-line cut flares from the waist to the hem, skimming over the hips and thighs to create a balanced silhouette that makes the waist appear smaller in contrast; at 50 inches from the shoulder, the continuous vertical line of the skirt elongates the figure, an effect amplified when the belt is tied snugly at the natural waist.
The puff sleeves add subtle volume at the shoulder, creating a proportions game with the cinched waist that makes the waist appear smaller and balances the A-line skirt; the elasticized cuff keeps the sleeve from overwhelming the frame, so even petite wearers get the hourglass accent without added bulk.
The self-fabric tie allows infinite waist adjustability, so the wearer can create a custom cinch that defines the waist precisely where it's most flattering—high for an empire effect or at the natural waist for a classic hourglass—without relying on a fixed elastic or button placement.

How this dress compares to similar options

A fixed knot replaces the removable tie belt found on the Target Universal Thread maxi, maintaining a consistent cinch without readjustment; this design choice simplifies dressing and ensures the flattering A-line shape stays locked in all day, appealing to women who want the waist-defining effect of a shirt dress without the fuss of retying a bow.
Constructed with a full 100% cotton lining — a detail the retailer's own Q&A could not verify but which the product composition reveals — this dress offers inherent opacity and a more substantial drape, setting it apart from the unlined Banana Republic Trapeze Maxi Shirt Dress and the unlined Target Universal Thread maxi; the lining removes the need for a slip and adds structural weight that helps the A-line skirt hold its shape.
A hidden side zip closure reinforces the waist and keeps the button placket flat, a tailoring upgrade over the Banana Republic Trapeze Maxi's button-only front and the Target Universal Thread maxi's waist-tie reliance; the zip provides a smooth, gap-free closure that prevents pulling and allows for a closer fit through the torso without stressing the buttons.
Described as 'crisp, light 100% cotton poplin,' the fabric is engineered to retain a structured, polished hand — a deliberate contrast to the Banana Republic Trapeze Maxi, which uses a poplin 'washed for already-loved softness' that reads as relaxed and broken-in; the Lauren dress's fabric resists slouching, so the fit-and-flare silhouette stays crisp through a workday or evening event, making it the more tailored option.
The elasticized puff sleeves add a fashion-forward, romantic volume that sets the dress apart from the Banana Republic Trapeze Maxi's standard elbow-length sleeves and the sleeveless Target Universal Thread maxi; puff sleeves elevate the silhouette from basic cotton shirtdress to a trend-aware piece that can transition from brunch to a dressed-up occasion with a change of accessories.
As a Lauren Ralph Lauren piece, the dress carries the brand's 'preppy yet polished' aesthetic and 'sense of understated luxury' — a positioning that bridges the gap between contemporary J.Crew and designer labels, lending prestige and a timeless American sportswear DNA that a Banana Republic or Target dress cannot replicate, which matters for buyers who value heritage and label as part of the purchase equation.

How cotton poplin feels and breathes in warm weather

Poplin delivers the breathability of natural cotton without linen's pronounced creasing, and its tighter weave yields a smoother, more structured silhouette — for a tie-waist shirtdress, that means the waist knot and collar stay crisp while still feeling like a warm-weather piece.
Because cotton is naturally hydrophilic, the poplin fibers pull moisture away from the body and release it through evaporation — on a humid summer day, this dress feels cooler and less clingy than a polyester poplin or a thick cotton twill, making it a smart choice for tropical vacations.
Poplin's tight plain weave uses fine warp yarns and thicker weft yarns to create a smooth surface marked by subtle horizontal ribs — on this maxi shirtdress, that woven texture gives the fabric a crisp, dry handfeel that holds the fit-and-flare shape instead of draping softly like a knit.
Within tailored shirting, poplin is the reference fabric for formality because its flat surface and crisp drape create a polished collar and button stance — when translated to this shirtdress, the same material codes elevate it above a casual cotton sundress, making it viable for smart-casual occasions and resort-style dressing.
Poplin employs higher-twist yarns than comparable plain weaves, which locks the yarns into a flat, crisp surface that resists wrinkling more effectively than linen and adds a slight sheen — the result is a dress that looks polished out of a suitcase and holds a pressed collar through a long day.

Image Analysis

3 images

01: Product
Front view of a collared, button-front midi shirtdress with narrow vertical stripes, a twisted tie detail at the waist, and elbow-length puff sleeves.
SilhouetteMidi-length shirt dress with a straight skirt falling from a defined waist; hem reaches mid-calf on the model.
1 region
x 0.18 · y 0.18 · w 0.58 · h 0.70 (high)
Collar and necklinePointed shirt collar with a V-shaped open neckline created by the unfastened top buttons.
1 region
x 0.33 · y 0.06 · w 0.28 · h 0.18 (high)
Waist detailFabric twisted into a knot/tie at the front center waist forming a gathered wrap effect across the midsection.
1 region
x 0.36 · y 0.34 · w 0.28 · h 0.15 (high)
ClosureSingle vertical row of visible buttons runs down the center front from the neckline to the hem.
1 region
x 0.42 · y 0.22 · w 0.16 · h 0.62 (high)
SleevesElbow-length puff sleeves with gathered shoulder seams and loose elastic or gathered cuffs creating volume.
2 regions
x 0.20 · y 0.18 · w 0.20 · h 0.22 (high); x 0.58 · y 0.18 · w 0.18 · h 0.24 (high)
Fabric patternNarrow vertical stripes running parallel along the body; stripe direction remains vertical across skirt and torso and slightly radiates around the twist at the waist.
1 region
x 0.18 · y 0.18 · w 0.58 · h 0.70 (high)
Material appearanceSmooth, lightweight woven fabric with a matte finish consistent with poplin-style cloth.
1 region
x 0.30 · y 0.32 · w 0.40 · h 0.50 (medium)
Side seam and slitCenter front shows a narrow front opening along the button line; no prominent side slits visible from this angle.
1 region
x 0.40 · y 0.36 · w 0.18 · h 0.46 (high)
Other
Studio fashion shot showing a standing model holding a slouchy brown bag and wearing brown pumps against a neutral paneled wall and floor with soft, even lighting.
Model and poseFemale model standing facing forward with weight slightly shifted, left arm relaxed down and right arm holding a bag at hip level.
1 region
x 0.28 · y 0.02 · w 0.44 · h 0.96 (high)
Prop bagSoft, slouchy tote or pouch-style bag in a warm brown suede-like material held in the model's right hand; bag is a prop not part of the product.
1 region
x 0.64 · y 0.56 · w 0.16 · h 0.18 (high)
ShoesPointed-toe brown leather pumps with a medium-height heel visible at the bottom of the frame.
1 region
x 0.40 · y 0.82 · w 0.32 · h 0.16 (high)
Background and stagingNeutral, vertically paneled wall and smooth floor in beige-gray tones forming a minimal studio background.
Lighting and shadowSoft, even studio lighting with gentle shadows under the model and faint shadowing on the panels; no harsh reflections.
Colors
pale sage green· stripe base#E3E3D4white· stripe lines#F2F2EC
02: Product
Close-up view of a collared, vertical-striped shirtdress with a front waist knot, visible button placket, and gathered elbow-length puff sleeves.
Collar and necklinePointed shirt collar with an open V-shaped neckline revealing the upper chest; the collar lies flat against the fabric with the vertical stripe pattern continuing across it.
1 region
x 0.18 · y 0.06 · w 0.65 · h 0.18 (high)
Waist knotFabric tie twisted into a visible knot at the front waist that gathers the vertical-striped fabric into a horizontal wrap appearance around the midsection.
1 region
x 0.35 · y 0.52 · w 0.42 · h 0.20 (high)
Button placketSingle-breasted vertical button placket with small round light-colored buttons; at least three buttons are visible extending from the chest down past the waist knot.
1 region
x 0.46 · y 0.34 · w 0.12 · h 0.44 (high)
Left sleeve constructionElbow-length puff sleeve on the viewer-left side with gathering at the shoulder seam and a slightly elastic or gathered cuff creating a rounded, voluminous silhouette.
1 region
x 0.02 · y 0.34 · w 0.45 · h 0.36 (high)
Right sleeve constructionMatching elbow-length puff sleeve on the viewer-right side with shoulder gathers and a softly rounded cuff; sleeve shows the same vertical stripe pattern.
1 region
x 0.55 · y 0.34 · w 0.43 · h 0.36 (high)
Fabric pattern and textureFine vertical white stripes on a muted green background across the visible garment panels; fabric appears smooth and matte consistent with a poplin weave.
Visible seam detailShoulder seams and gathers at the sleeve head are visible where the sleeve meets the bodice, producing subtle fold lines in the fabric.
1 region
x 0.50 · y 0.28 · w 0.34 · h 0.16 (medium)
Other
Studio portrait crop showing model from head to upper thighs against a neutral backdrop with soft, even lighting; small hoop earrings are visible as accessories.
Shot compositionThree-quarter portrait crop centered on the torso and head of a model wearing the garment; model's left arm is bent and tucked behind the waist area which slightly occludes the garment on that side.
Background and lightingNeutral, slightly textured beige backdrop with soft, even studio lighting and minimal shadows.
Model accessory - left earringSmall thin hoop earring visible on the model's left ear.
1 region
x 0.35 · y 0.12 · w 0.06 · h 0.06 (high)
Model accessory - right earringSmall thin hoop earring visible on the model's right ear.
1 region
x 0.61 · y 0.12 · w 0.06 · h 0.06 (high)
Face and hairModel's face and short dark hair are visible at the top of the frame; head is slightly tilted and expression is neutral.
1 region
x 0.28 · y 0.02 · w 0.44 · h 0.25 (high)
Colors
sage green· main fabric background#E2E3D4white· stripe#F2F2EB
03: Product
Side view of a calf-length, short-sleeve, tie-waist shirtdress with narrow diagonal stripes; shown on a model, the dress has a collared bodice, gathered short sleeves, and a flared skirt.
SilhouetteCalf-length A-line skirt with a fitted waist and fuller hem, creating a flared silhouette when viewed from the side.
1 region
x 0.18 · y 0.18 · w 0.48 · h 0.70 (high)
Sleeve constructionShort, puffed sleeves that gather at the hem producing a slight volume above the elbow.
1 region
x 0.22 · y 0.20 · w 0.18 · h 0.18 (high)
Collar and bodiceClassic shirt collar with a smooth bodice and a horizontal back yoke visible across the upper back.
1 region
x 0.20 · y 0.06 · w 0.20 · h 0.14 (high)
Waist detailWaist is cinched with a tied element visible at the side seam area, creating gentle gathers at the waist.
1 region
x 0.30 · y 0.36 · w 0.16 · h 0.12 (high)
Fabric patternNarrow diagonal stripes running consistently across bodice and skirt at a roughly 45-degree angle relative to the vertical.
1 region
x 0.18 · y 0.18 · w 0.48 · h 0.70 (high)
Hem and drapeSkirt hem falls straight with soft folds and visible drape lines suggesting lightweight woven fabric.
1 region
x 0.18 · y 0.62 · w 0.48 · h 0.26 (high)
Visible accessories attached to modelSmall portion of a suede-like bag is partially visible behind the dress at the hip area and is not part of the dress itself.
1 region
x 0.13 · y 0.55 · w 0.06 · h 0.14 (high)
Other
Studio side-profile shot of a model wearing the dress, neutral wall background, soft diffuse lighting, and minimal shadows.
Shot compositionFull-body side-profile of a standing model centered slightly left of frame, showing the dress from shoulder to hem.
1 region
x 0.08 · y 0.02 · w 0.84 · h 0.96 (high)
BackgroundMatte neutral beige wall with vertical seam lines, minimal texture.
LightingEven, soft studio lighting with gentle shadows on the floor and a faint shadow behind the model.
Props and footwearModel wears brown low-heel slingback shoes; a small tan suede-like bag is partly visible and held behind the dress.
2 regions
x 0.36 · y 0.80 · w 0.20 · h 0.16 (high); x 0.12 · y 0.56 · w 0.06 · h 0.14 (high)
Colors
pale mint green· stripe - pale green#EBEBE4white· stripe - white#F2F2EC

Documents & Data

Q&A

4 answered

Does this dress run true to size or should I size up/down?: The fit-and-flare silhouette of this dress typically runs true to size, but we recommend checking the size chart for your specific measurements.
What are the care instructions? Is it machine washable or dry clean only?: As a 100% cotton poplin dress, it is typically machine washable cold and tumble dry low, but please always refer to the garment's care label for specific instructions.
Is the dress lined?: The product details do not mention lining, and poplin shirtdresses are often unlined, but we cannot confirm without inspecting the garment.
Does the poplin fabric wrinkle easily and require ironing?: Yes, 100% cotton poplin is prone to wrinkling and may require ironing to maintain a crisp look. We recommend following the care instructions on the label.

Provenance

Merchant Link: https://www.simons.ca/en/women-clothing/dresses/long/tie-waist-poplin-shirtdress--21620-24608001?colourId=0
Updated: July 31, 2026