Bastide halter one-piece swimsuit product image (primary)
Front view of a one-piece halter swimsuit with a navy base and large white heart and circular polka-dot motifs; thin halter straps meet at the center front neck and the body shows two small scripted white logotype prints.

Jacquemus

Bastide Halter One-Piece Swimsuit

CA$499.95CAD
In Stock

The Jacquemus Bastide Halter One-Piece Swimsuit is a women's one-piece swimsuit featuring a navy base with white heart and polka-dot patterns. It includes double-layer fabric, unpadded wireless cups, halter straps that tie at the neck, a U-shaped scoop back, and a high-cut cheeky leg opening; it is made in Portugal. The swimsuit is constructed from smooth, stretchy swim fabric and includes small Jacquemus script logos on the chest and hip.

Gender
female
Style
retro, vintage, casual
Category
Apparel & Accessories > Clothing > Swimwear

Specifications

Retro-chic one-piece swimsuit from Jacquemus featuring a polka dot and heart pattern, halter neck, and cheeky cut.

Double-layer fabric, soft unpadded cups, halter ties, U-shaped scoop back, cheeky cut.

Material
Main material: 78% polyamide, 22% spandex; Lining: 82% polyester, 18% spandex
Style
retro, vintage, casual
Occasion
vacation, beach-day, party
Gender
female
Age Group
adult
Condition
new
Category
Apparel & Accessories > Clothing > Swimwear

Additional Attributes

  • double-layer fabric
  • soft unpadded wireless cups
  • halter straps to tie
  • U-shaped scoop back
  • revealing cheeky cut
  • made in Portugal
  • polka dot and heart pattern
  • retro-chic design
  • from spring-summer collection

Product Insights

The Jacquemus Bastide Halter One-Piece Swimsuit is a CAD 1,045, in-stock one-piece in a single Patterned Blue colorway — a white polka-dot and heart print applied to the fabric rather than woven in, over navy — whose retro cues trace to 1926 dot swimwear and 1933 halter necklines and whose dot-grid and clean U-back read as Jacquemus's documented geometric simplicity and sunny, unpretentious persona rather than Parisian minimalism. Its structure is deliberately minimal: the halter tie at the nape is the only closure, with no clasp or hook backing the open back, and that same tie is the sole adjustment mechanism, so knot height and tension move the neckline peak, bust lift, and effective torso length together — tying low at the base of the neck is the comfortable placement. Support is soft, unpadded and wireless, naturally adjustable through the tie, which suits lounging through D-cup and above but not active swimming; coverage is correspondingly minimal, with a deep back, high leg opening that lengthens the leg line and smooths fuller hips at the cost of torso length, and Brazilian-style buttock coverage. Fabric behavior is the core technical promise: a 78% polyamide/22% spandex shell that feels silkier and cooler and sits at the top of the 15–22% elastane swimwear range for figure-following hold, a fast-drying 82% polyester/18% spandex lining that stays nearly dry while the nylon outer dries slower, and double-layer construction that prevents show-through when wet. The main tradeoff is durability under use rather than fit: the printed polyamide outer is the layer most exposed to sun fading and is the first to dull or fade in direct summer sun, daily chlorinated pools dull the 22% spandex recovery, and care requires washing at or below 30°C with no bleach, no tumble dry, and rinsing after every swim to protect the elastane. Sizing is cut true to size but narrow — SMALL, MEDIUM, and LARGE only, no half sizes or extended range — with all three sizes in stock at the same CAD 1,045 price, no size surcharge and no markdown, and Portuguese manufacturing marking premium rather than cost-driven sourcing. The result is a beach-to-bar piece built for poolside presence and evening tables, where the buyer accepts minimal coverage, tie-only structure, and print fade risk in exchange for held shape, opacity, and a documented retro-print point of view.

Verified claims

Design inspiration
The white polka-dot and heart print on a navy base gives the suit its retro, vintage-casual style and playful, cheerful mood; the dotted maillot traces to 1920s-1930s swimwear roots.
Design narrative
The dot-grid print and clean U-back express Jacquemus's documented geometric simplicity and positive playfulness.
Beach to bar
Jacquemus designs its swim for beach-to-bar wear, so this piece works poolside and at an evening table.
Adjustability
Adjusting the halter tie changes the neckline peak, bust lift, and effective torso length.
Knot placement
Where the halter knot sits and how tightly it is tied change where the load lands: set well, the soft cups carry the weight; set badly, it concentrates pressure at a single point on the neck.
Closure
The tie at the nape is the suit's only closure; no clasp or hook backs up the open back.
Support
Soft unpadded wireless cups and the halter tie give adjustable natural support; D-cup+ suits lounging, not active swimming.
Leg cut
High leg opening lengthens the leg line and smooths fuller hips, at the cost of torso length.
Coverage
Minimal buttock coverage (Brazilian-style) with deep back and high legs.
Fabric
78% polyamide/22% spandex shell feels silkier and cooler; the 82% polyester/18% spandex lining dries fast.
Opacity
Double-layer fabric — a 78% polyamide/22% spandex shell over an 82% polyester/18% spandex lining — prevents show-through when wet.
Stretch and recovery
The 78% polyamide/22% spandex shell and 82% polyester/18% spandex lining stretch and recover when saturated; 22% elastane tops the 15-22% swimwear range for a close, figure-following hold.
Care
Wash at or below 30°C, no bleach, no tumble dry; rinse after every swim to protect the elastane.
Print durability
The printed polyamide outer is the layer most exposed to sun-fading.
Manufacturing origin
Made in Portugal, a premium production label rather than cost-driven sourcing.
Sun fading
A summer of direct sun fades the vivid white-on-navy print.
Chlorine resistance
Rinse in cool water after every swim; daily chlorinated pools dull the 22% spandex recovery.
Brand persona
Jacquemus frames the label as sunny and unpretentious, not Parisian-minimal
Pattern print method
The polka dot and heart pattern is printed onto the fabric rather than woven in
Sizing
Fits true to size for most, but the cheeky cut runs snug; offered only in SMALL, MEDIUM and LARGE with no half sizes, all currently in stock. Between sizes, consider sizing up for a less revealing fit.
Size pricing
All three sizes carry the same price, with no size surcharge or markdown.
Colorways
Patterned Blue is the only colorway, and it covers all three sizes.
Color fading
Direct sun fades the printed polyamide shell before the unprinted lining.
Size range
Three sizes only — SMALL, MEDIUM, LARGE — with no half-size or extended option.
Size conversion
Small corresponds to about US 4 / EU 36 (IT 40, UK 8), Medium to US 6 / EU 38 (IT 42, UK 10), and Large to US 8 / EU 40 (IT 44, UK 12); the conversion is approximate and the cheeky cut tends to fit more snugly.

Product record

Title
Bastide Halter One-Piece Swimsuit
Brand
Jacquemus
Price
1045 CAD
Availability
In stock

Buying Guide

1 comparison · 13 sources

Uses

A halter one-piece for swim days

Wear this one-piece for swimming or lounging by the water, with soft, unpadded wireless cups for natural support and halter ties you can adjust to tailor the neckline and fit. The lined design is meant to stay opaque as you bend and stretch, and the stretchy fabric is described as moving with the body without losing its shape.[1,2]

Wear it as a bodysuit-style top with jeans

This halter one-piece can double as a top: in the brand's styling, the swimsuit is tucked into high-waist jeans, where its natural-waist cut creates a smooth transition at the waistband with no visible front closures. The thin halter straps cross at the neck, and the dark navy fabric with large white graphic shapes reads like a statement top rather than swimwear. Paired with sandals, it makes a simple warm-weather outfit.[3]

Product comparison

Compared within this brand.

Why and when to choose each product
This product

Bastide Halter One-Piece Swimsuit

Jacquemus

simons.ca

Same brand

Sole One-Piece Swimsuit

Jacquemus

simons.ca

Bastide Halter One-Piece Swimsuit: Choose this if you want a retro-chic, polka-dot-and-heart print one-piece with a slimming halter silhouette: adjustable neck ties let you tailor the neckline and support, soft wireless cups give natural support, and the lining keeps it opaque as you move. The smooth stretch fabric gives a close fit, and it can double as a top tucked into high-waist jeans. Note the cut is deliberately cheeky, with high-cut legs and a low U-shaped open back, so it suits those comfortable with a revealing, minimalist look.[1,2,3,4,5,6]Sole One-Piece Swimsuit: Choose this if you want a fashion-forward one-piece in a candy pink tone with a high straight neckline, cheeky high-cut cut, and an open back finished with a gold metallic buckle detail. It has soft unpadded, wireless cups for natural support, double-layer stretch fabric (78% polyamide, 22% elastane), and is made in Portugal. Note that the thin spaghetti straps are non-adjustable, and the slim, revealing cut suits those comfortable with exposed sides and moderate rear coverage.[7,8,9,10,11,12,13]

Image Analysis

3 images
Bastide halter one-piece swimsuit product image (primary)
01

Product

Front view of a one-piece halter swimsuit with a navy base and large white heart and circular polka-dot motifs; thin halter straps meet at the center front neck and the body shows two small scripted white logotype prints.

  • SilhouetteOne-piece swimsuit with high-cut leg openings and a single halter-style neck strap that meets at a center front point above the bust.
    1 regionx 0.15 · y 0.08 · w 0.70 · h 0.84 (high)
  • Neck strapThin double halter strap that crosses/joins at the center front neck; strap shows the same navy and white patterned print as the suit edges.
    1 regionx 0.43 · y 0.02 · w 0.14 · h 0.16 (high)
  • Surface patternLarge repeating white motifs on a dark navy background consisting of heart shapes and solid circles arranged in an offset grid across the front torso and hips.
    1 regionx 0.26 · y 0.12 · w 0.48 · h 0.68 (high)
  • Fabric finishSmooth, slightly shiny swim fabric with minimal visible texture under studio lighting.
  • Small script logo, chest“Jacquemus”
    1 regionx 0.53 · y 0.20 · w 0.10 · h 0.06 (medium)
  • Small script logo, hip“Jacquemus”
    1 regionx 0.68 · y 0.52 · w 0.10 · h 0.06 (medium)
  • Visible seamsVertical side seams and a subtle contour seam at the waist visible where the fabric slightly pulls and shapes the torso.
    1 regionx 0.22 · y 0.28 · w 0.56 · h 0.48 (medium)

Other

Studio shot of a model cropped from mid-neck to upper thighs against a plain light gray background with even soft lighting and minimal shadows.

  • Shot compositionCentered vertical crop showing the model from neck to upper thighs; arms relaxed at sides with hands visible.
  • BackgroundUniform light gray background with even, diffuse studio lighting and soft shadowing under the arms.
  • Model skin detailFreckles and natural skin texture visible on arms and shoulders under high-resolution studio lighting.
    2 regionsx 0.06 · y 0.06 · w 0.26 · h 0.30 (high); x 0.68 · y 0.10 · w 0.26 · h 0.46 (high)

Colors

deep navy· main body#21263Abright white· printed motifs (hearts and circles)
Bastide halter one-piece swimsuit product image 2
02

Product

Rear view of a one-piece halter swimsuit with a low open back, halter neck ties, high-cut leglines, and a large white polka-dot and heart pattern on a dark navy background.

  • Back silhouetteLow U-shaped open back that exposes the upper and mid back down to the waistline seam of the suit.
    1 regionx 0.18 · y 0.08 · w 0.64 · h 0.58 (high)
  • Halter tiesTwo narrow fabric halter straps tied in a bow at the nape, with long loose ends hanging down the back; tie ends show small metallic tips on at least one end.
    1 regionx 0.36 · y 0.03 · w 0.28 · h 0.20 (high)
  • PatternLarge white circular polka dots interspersed with white heart-shaped motifs printed on the suit's body; motifs are high contrast and evenly spaced.
    1 regionx 0.36 · y 0.36 · w 0.46 · h 0.54 (high)
  • Leg cutMedium-high to high leg cut that reveals hip and upper thigh from the rear.
    1 regionx 0.28 · y 0.62 · w 0.52 · h 0.36 (high)
  • Fabric finishSmooth, slightly shiny swim fabric with mild horizontal stretch marks where the fabric gathers at the waist.
    1 regionx 0.34 · y 0.34 · w 0.32 · h 0.18 (medium)
  • Visible seamsWaist seam at the natural waistline visible across the back; seam edge follows a slightly curved horizontal line.
    1 regionx 0.30 · y 0.46 · w 0.40 · h 0.06 (high)

Other

Studio product shot showing a model from the rear against a plain light gray background with soft even lighting and minimal shadowing.

  • Model and poseFemale model shown from the rear, head turned slightly to the right, right arm hanging down; partial profile of face visible at top right.
    1 regionx 0.10 · y 0.00 · w 0.80 · h 1.00 (high)
  • BackgroundUniform light gray backdrop with no visible props or texture.
  • Lighting and shadowSoft, diffuse studio lighting producing gentle shadows along the model's right side and minimal specular highlights on the swimsuit fabric.
  • Image cropImage is full-body crop from upper shoulders to mid-thigh; feet and top of head are cropped out.

Colors

navy· base fabric#22263Awhite· printed motifs
Bastide halter one-piece swimsuit product image 3
03

Product

Front view of a fitted halter one-piece swimsuit top in a dark navy fabric with large white graphic shapes; thin halter straps cross at the neck and the swimsuit is tucked into high-waist jeans on a model.

  • Neckline and strapsSingle thin halter strap that crosses at the front of the neck and attaches to the top edge; neckline runs diagonally from the left shoulder toward the right side of the chest forming an asymmetrical halter shape.
    1 regionx 0.33 · y 0.02 · w 0.34 · h 0.18 (high)
  • Fabric and finishSmooth, slightly lustrous stretch swim fabric that conforms to the torso with visible light reflections indicating a tight, elastic surface.
    1 regionx 0.30 · y 0.10 · w 0.40 · h 0.30 (high)
  • PatternLarge white graphic shapes printed on the navy background consisting primarily of large solid circles and several heart-shaped motifs distributed across the front torso.
    1 regionx 0.30 · y 0.10 · w 0.40 · h 0.30 (high)
  • Waistline and fitSwimsuit extends to the natural waist and is tucked into the waistband of the jeans, creating a smooth transition at the waist without visible closures on the front.
    1 regionx 0.30 · y 0.30 · w 0.40 · h 0.08 (high)
  • Printed markingSmall light-colored script-style marking on the right side of the chest area over a navy background (legibility uncertain).Uncertain
    1 regionx 0.53 · y 0.18 · w 0.04 · h 0.03 (medium)

Other

Lifestyle studio shot showing a full-body model wearing the swimsuit top with jeans and sandals against a plain light gray background with soft even lighting and a faint ground shadow.

  • Model poseModel stands facing forward with left hand hanging and right hand in the jeans pocket, showing the swimsuit top on a live model.
    1 regionx 0.20 · y 0.00 · w 0.60 · h 1.00 (high)
  • Visible propsHigh-waist blue denim jeans and open-toe sandals are worn by the model and visible in the image; these are staging garments, not packaging.
    1 regionx 0.20 · y 0.30 · w 0.60 · h 0.62 (high)
  • Background and lightingUniform light gray studio background with soft, even frontal lighting and a subtle shadow beneath the model toward the lower right.
  • Image crop and framingFull-body vertical portrait crop showing the model from just above the head to the feet with small negative space at top and bottom.

Colors

navy blue· main fabric#1D233Abright white· printed shapes

Variants

3 SKUs
All variants of Bastide Halter One-Piece Swimsuit
SKUTitlePriceAvail
4597248Bastide Halter One-Piece Swimsuit - Patterned Blue - SmallCA$1,045.00Yes
4597249Bastide Halter One-Piece Swimsuit - Patterned Blue - MediumCA$1,045.00Yes
4597250Bastide Halter One-Piece Swimsuit - Patterned Blue - LargeCA$1,045.00Yes

Documents & Data

Provenance

Merchant Link
https://www.simons.ca/en/women-designer/swimwear/bastide-halter-one-piece-swimsuit--11126-29726205?colourId=
Updated