The Square swimsuit
MATTEAU's swimwear release enters Vinchy's AI lab for a closer look at fabrication, fit, and care notes.
Tagged at $330, quality lands at 60/100, comfort at 90/100, and sustainability at 60/100 for discerning shoppers.
- Brand · MATTEAU
- Category · Swimwear
AI scorecard
What matters most for shoppers researching this piece right now.
Craftsmanship, stitching, and long-term durability.
Movement, breathability, and day-long wear.
Environmental impact and responsible sourcing.
Attribute deep dive
We break down what drove each score so you can weigh trade-offs.
Quality Analysis 60/100
This Matteau swimsuit, crafted from sculpting stretch fabric (80% nylon, 20% elastane), offers good support with wide straps, suggesting a design built for active wear. However, the note about discoloration from lotions and chlorine indicates potential material degradation over time, which is common for swimwear.
Comfort Assessment 90/100
This swimsuit offers excellent comfort with its sculpting stretch fabric, ensuring a flattering fit that moves with you. The inclusion of elastane provides flexibility, while wide straps offer comfortable support.
Sustainability Impact 60/100
This swimsuit is made from 80% nylon and 20% elastane, both conventional fossil-fuel synthetics without any mention of recycled content, which impacts its sustainability score.
Measurement breakdown
Measurements across available sizes.
| Size | Bust | Waist | Length |
|---|---|---|---|
| 1 | 56 cm | 52 cm | 63 cm |
| 3 | |||
| 4 | |||
| 5 | |||
| 2 | |||
Gallery
Reference shots help you validate textures, hardware, and proportion before you buy.
Garment details
Need-to-know info pulled from the retailer’s description, sizing notes, and care callouts.
Editors’ Notes: Matteau's mission is to "reduce a swimsuit to its bare essentials", creating pieces that are equally timeless and flattering. Made from sculpting stretch fabric, this black one-piece has a square neckline and wide straps for added support. Wear yours with aviator-style sunglasses when by the pool.
Editors’ Notes: Matteau's mission is to "reduce a swimsuit to its bare essentials", creating pieces that are equally timeless and flattering. Made from sculpting stretch fabric, this black one-piece has a square neckline and wide straps for added support. Wear yours with aviator-style sunglasses when by the pool.
Size & Fit: 1 = UK 6 2 = UK 8 3 = UK 10 4 = UK 12 5 = UK 14 Fits true to size, take your normal size Those with a long torso or curvy hips may wish to take the next size up Medium coverage Model is 180cm/ 5’11”, bra size 32B and is wearing the designer's size 2 View size guide
Details & Care: Black stretch-nylon Pulls on 80% nylon, 20% elastane Machine wash Lotion, sunscreen, oil and chlorine can cause discoloration of this item; this is not a manufacturing defect. Please follow care instructions to keep your swimwear in the best condition Imported
Delivery & Returns: Find out more about our delivery options . Try items in the comfort of your own home. If they're not quite right, you've got 28 days to request an exchange or return and send them back to us. We'll collect them from your nearest UPS drop off point. Free returns are offered within 14 days of delivery.