# Swim Straight One-Piece - **Brand:** Negative Underwear - **Price:** $90.00 ~~$126.00~~ - **Catalog:** negativeunderwear - **Retailer:** negativeunderwear - **Product URL:** https://go.cosimo.shop/r/gAAAAABq3T_KfjS5k987wGSrU32KHk1wMopjGwSEck_VTerBcQnmu_CO1NkIptu26YEGm_1ODr-yiVRRb8K_6Rt1kcKZnv68SRz88QlSL1J3xiPhISuUZ2hlmrt1D40-DbgUdL6IdHN6ilj_baeoer70y87tiPgnZBcBPF4K7hv1jadW1P6jAGRNT9pWEWRp1lRTFDQsVgMbLWUrH929gpUWc97XBQ4dxe5WNRcn9RqHXuYAkI0LJMcHq2beg5KJaZbbG5aSv-6wGotL9oD-_P_J9S6sa4Y3-26xg6UHMTv18jkFKxsZBUqD8saUb-7DwkMrjps4zGMX2sW_uqtCSp_hjysW4FJC8ofwobxkvX5nBBy2Pckwhnq3LLalmeHqvEA_S1YapKx32NMKoeSvtPeUZIyNSufjGpCXlK339KP2CHuj0lhEP839YfEWax04QrTEkzxW7jYEBMF8ci7Evcmw_sI8VutGbg== - **GTIN:** 810085934950 - **Availability:** In stock ## Summary A minimalist black one-piece swimsuit featuring a square neckline, thin straps, a high-leg cut, and a cheeky bum, crafted from smoothing stretch nylon. ## Description Negative. Does. Swim. A figure flattering one piece featuring a high leg, cheeky bum, and open back. Our ultra smoothing and supportive stretch nylon keeps it all in place. *411* Use this as a guide. Preference is a huge factor — with a one piece, sizing can vary based on the length of your torso, in addition to your overall frame. If you're taller or have a proportionally longer torso, you may want to size up. Double layered for extra hold and support Features a straight neck, thin cami straps, and open back Retro leg hits high on the hip Cheeky coverage bum Ksenia is 5'9", dress size 2, wearing our XS *FABRIC* Ultra smoothing stretch nylon hugs the body like gentle shapewear 50% Nylon and 50% Elastane Lining: 80% Nylon and 20% Elastane Certified Safe: OEKO-TEX® STANDARD 100 #23.HCN. 86212 by Hohenstein HTTI Hand wash, dry flat ## Appearance - **Colors:** Black - **Color Families:** Black - **Sizes:** XS, S, M, L, XL, XXL (per-size availability under Variants) - **Materials:** 50% Nylon, 50% Elastane, 80% Nylon, 20% Elastane ## Variants - **In stock:** 2 of 6 - **Available:** XL, XXL - **Color (all variants):** Black | Size | SKU | Availability | | --- | --- | --- | | XS | NK-600-01J-0 | Out of stock | | S | NK-600-01J-1 | Out of stock | | M | NK-600-01J-2 | Out of stock | | L | NK-600-01J-3 | Out of stock | | XL | NK-600-01J-4 | In stock | | XXL | NK-600-01J-5 | In stock | ## Categories - **Categories:** Swim ## Additional Attributes - **tags:** final sale, Nylon, sizechart-apparel, springsale25, springsale26, swimsale2026 - **vendor:** Negative Underwear - Last Chance - **closure:** Features a straight neck, thin cami straps, and open back - **support:** Double layered for extra hold and support - **model info:** Ksenia is 5'9", dress size 2, wearing our XS - **product type:** Swim - **certification:** Certified Safe: OEKO-TEX® STANDARD 100 #23.HCN. 86212 by Hohenstein HTTI - **return policy:** All last chance items marked with "Final Sale" are not eligible for return or exchange. - **shopify handle:** black-dip-straight-one-piece - **care instructions:** Hand wash, dry flat - **closure and straps:** Features a straight neck, thin cami straps, and open back - **fabric description:** Ultra smoothing stretch nylon hugs the body like gentle shapewear - **model measurements:** Ksenia is 5'9", dress size 2, wearing our XS - **material description:** Ultra smoothing stretch nylon hugs the body like gentle shapewear ## Enrichment - **Type:** one-piece swimsuit - **Type Synonyms:** monokini, swimsuit - **Gender:** female - **Age Groups:** adult - **Tags:** high-leg, cheeky, open-back, square-neck, thin-straps, stretch-nylon - **Styles:** minimalist, modern - **Colors:** black - **Color Families:** Black - **Category Path:** Apparel & Accessories > Clothing > Swimwear > One-Pieces - **Fabric:** Elastane (Spandex / Lycra), Nylon / Polyamide - **General Clothing Features:** Stretchable - **Neckline:** Square - **Pattern:** Solid - **Season:** Warm Weather - **Sleeve length type:** Sleeveless - **Canonical Brand:** Negative Underwear ## Images - ![Image 1](https://cdn.storerouter.ai/c135a18caffad14b33e1d3c79c12530c/6be0694d8a4d49dbea647d371a1972eb.webp) - ![Image 2](https://cdn.storerouter.ai/c135a18caffad14b33e1d3c79c12530c/184b6eb93a0e01aee104ee3826893187.webp) - ![Image 3](https://cdn.storerouter.ai/c135a18caffad14b33e1d3c79c12530c/bd0a373e543f040d9947bd9bcadc9ad0.webp) - ![Image 4](https://cdn.storerouter.ai/c135a18caffad14b33e1d3c79c12530c/ccd6bc74a196710d490fe518d8f28b1b.webp) - ![Image 5](https://cdn.storerouter.ai/c135a18caffad14b33e1d3c79c12530c/b75a16c1346b8066200a192488c484d3.webp) - ![Image 6](https://cdn.storerouter.ai/c135a18caffad14b33e1d3c79c12530c/d4aed4983bc5203c4eb29a329f8130c0.webp) --- *Source: cosimo.shop | Product ID: 41848ea4-702d-520e-b33a-c63a46b66fb0 | Canonical URL: https://cosimo.shop/product/negative-underwear/swim-straight-one-piece-5123147c-be74-42ba-9151-a8a378fcd67a*