2XU Men's Perform Tri Shorts 100% Other Fibers Imported Engineered from SBR power, 70D Elastane fabric for durability and strength in a longer 9 inch 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 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