Features 1. Support muscles: 3D slim fit design with elastic support for muscles. Based on artificial body science, 3D fitting design is carried out, combined with elastic fabric to more effectively wrap the muscles, achieving the effect of supporting muscles while ensuring free movement. 2. Avoid friction: Improve the comfort of athletes and avoid friction. The clothing is made of soft polyester fabric with a tubular structure and smooth seams, which can improve the comfort of athletes and avoid friction. The tubular structure removes the seams on the side of the body. 3. Stay dry: Using high-tech fabrics can quickly eliminate sweat through the fabric, keeping it away from the skin and making athletes feel drier. 4. Ultimate Cycling Kit: This is an exclusive lingerie for cycling enthusiasts, not only suitable for MTB inner lining, but can also be directly used as bicycle shorts, or for daily leisure riding, motorcycles, indoor dynamic bicycles, and more. Specification Material: Polyester milk silk Color: Black & Red，Black & Blue，Black & Gray，Black & Green Size: S, M, L, XL, 2XL, 3XL Weight: 145 g, 150 g, 155 g, 160 g, 165 g, 170 g Package Include: 1x Cycling Underwea