# Base Sport – Bike Short

- **Brand:** Negative Underwear
- **Price:** $98.00
- **Catalog:** negativeunderwear
- **Retailer:** negativeunderwear
- **Product URL:** https://go.cosimo.shop/r/gAAAAABq35goQBIlV3BdXygSeqxsynm3INeUOM-g-78ZI7FkyAlOZlSDW5K7Y4hMTuTex_UfIiw3KYxjIBIRmTCzXKHqzUmA2FUXyC7ARzWYskD-b9OTguuw1yAb4aPR4-YMj9-MdxdVWc64gZl5-uUQfHOY7LBWqwujdRnX0ofcgvcl5RUGMue9lKzLWiMWPLMjjFwF4HwCL_4lIoMnUR51fPFlckj_GDwY2fBCszf6u6J9aLv9drDTLf1Bb2SHnoBOMGPlAvDh7f1mPrGcgTGSbDd72lCTjOSpL0gRua-pDaPXaXNm4ZQ2r7VkAE-wLkfBU-b2-E_uvwJyxbxPIoZazxbLxbRk4tfCwDdkgwINpLChHq1ScKPbi6N5xu7HefXtTxTDIf2uoRd1-bRgPAdtFVczjtFLcgKCAWHB_lj8rm_-I2hYDiPfcnwYvHlWTOLZ8Otwat4wLF0nCgcyu_VPuoRcgCO50w==
- **GTIN:** 840285852112
- **Availability:** In stock

## Summary

Black high-waisted bike shorts featuring a smooth, sculpted fit with a bonded waistband and refined construction for athletic or lounge wear.

## Description

Smooth, sculpted, and engineered down to the last seam. This legging features a bonded waistband for a soft-smoothing effect without added bulk, while a meticulously refined gusset and crotch construction creates a comfortable, considered fit through every movement. Bonded seams lie flat against the body without digging, and our custom spacer-lite fabric combines Lycra with soft yarns for flexible hold, zero sheerness, and a refined, silky feel. Minimally compressive and made for low-impact movement, it offers a gentle hug without restriction. Proof that the best support starts with a strong foundation. *411* Use this as a guide. Preference is a huge factor — if you're near the top of a size range, you may want to size up. Bonded waistband Minimally compressive, made for low-impact movement *FABRIC* A custom fabric, years in the making — combined elements from two fabrics we loved into one that actually performs Black is a raven deep noir tone 60% Nylon, 40% Lycra Machine wash warm, no bleach, tumble dry low, wear often

## Appearance

- **Colors:** Black
- **Color Families:** Black
- **Sizes:** XS, S, M, L, XL, XXL (per-size availability under Variants)
- **Materials:** 60% Nylon, 40% Lycra

## Variants

- **In stock:** 6 of 6
- **Available:** XS, S, M, L, XL, XXL
- **Color (all variants):** Black

| Size | SKU | Availability |
| --- | --- | --- |
| XS | NK-414-01BS-0 | In stock |
| S | NK-414-01BS-1 | In stock |
| M | NK-414-01BS-2 | In stock |
| L | NK-414-01BS-3 | In stock |
| XL | NK-414-01BS-4 | In stock |
| XXL | NK-414-01BS-5 | In stock |

## Categories

- **Categories:** Lounge

## Additional Attributes

- **tags:** base, newcolor-black, newcolor-cream, newcolor-mink, season:fa-2026, sizechart-apparel, Sport
- **vendor:** Negative Underwear
- **product type:** Lounge
- **return policy:** All last chance items marked with "Final Sale" are not eligible for return or exchange.
- **shopify handle:** black-base-sport-bike-short
- **care instructions:** Machine wash warm, no bleach, tumble dry low, wear often
- **color description:** Black is a raven deep noir tone
- **fabric description:** A custom fabric, years in the making — combined elements from two fabrics we loved into one that actually performs
- **material description:** A custom fabric, years in the making — combined elements from two fabrics we loved into one that actually performs

## Enrichment

- **Type:** bike shorts
- **Type Synonyms:** cycling shorts, spandex shorts, athletic shorts
- **Gender:** female
- **Age Groups:** adult
- **Activewear:** Yes
- **Tags:** high-waisted, bonded waistband, seamless look, compression fit, stretch fabric
- **Styles:** athleisure, minimalist, sporty
- **Colors:** black
- **Color Families:** Black
- **Category Path:** Apparel & Accessories > Clothing > Shorts > Performance Shorts
- **Activewear Features:** Body Contouring Fit
- **Activity Type:** Cycling, Multi-Sport, Training / Gym
- **Bottoms Closure:** Pull-On
- **Fabric:** Elastane (Spandex / Lycra), Lycra, Nylon / Polyamide
- **Fit:** Hip-Hugging (Skinny Fit)
- **General Clothing Features:** Stretchable
- **Pattern:** Solid
- **Shorts Fit:** Athletic, Slim
- **Surface Finish:** Matte
- **Waist rise:** High
- **Canonical Brand:** Negative Underwear

## Images

- ![Image 1](https://cdn.storerouter.ai/c135a18caffad14b33e1d3c79c12530c/20a1b08faed19f4cc293ef0e0c78a0c5.jpeg)
- ![Image 2](https://cdn.storerouter.ai/c135a18caffad14b33e1d3c79c12530c/64df063b691528dec436bcfad75d2017.webp)
- ![Image 3](https://cdn.storerouter.ai/c135a18caffad14b33e1d3c79c12530c/9528b473ce8da239715bd2d06a7f21c1.webp)
- ![Image 4](https://cdn.storerouter.ai/c135a18caffad14b33e1d3c79c12530c/c0549513832bfaad0a12d50b99741bb4.webp)
- ![Image 5](https://cdn.storerouter.ai/c135a18caffad14b33e1d3c79c12530c/b7103b4b15a788dd157b957e87a88e39.webp)

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*Source: cosimo.shop | Product ID: 98ec10f8-211a-55fa-af1a-9c7256114572 | Canonical URL: https://cosimo.shop/product/negative-underwear/base-sport-bike-short-10b337fd-2198-499a-b590-78e6b5e0e45a*