2XU Women's Perform Tri Shorts 83% POLYAMIDE, 17% ELASTANE Imported Engineered from SBR Power, 70D elastane fabric for durability and strength in a 7" length High-gauge Power Mesh is flexible, supportive and extremely light in weight Silicone-free Y elastic grip keeps these shorts comfortably in place The LD 2 chamois goes the distance with moisture management and serious comfort Flatlock stitching eliminates chafing and irritation during your run and ride with 2 rear pockets for storage and 50+ UV protection