Orca Men's Apparel Size Chart The popular 226 Kompress Tri-Tech Pant is constructed from Orca's KillaSkn Kompress fabric, which is scientifically proven to provide optimum levels of active and graduated compression, helping triathletes race further, faster. The fabric is water repellent for performance in the swim, has UPF50+ sun protection and is anti-bacterial. The new wide cut KompressMesh leg hems provide a super comfortable, low profile hem that aids with muscle compression and blood flow from the upper legs to the heart, helping you to go harder for longer.The 226 Tri-Tech Pant has a revised technical waistband with draw-cord that sits flat against the skin for increased comfort and two covered rear pockets to hold contents more securely. It uses Orca's technically advanced hybrid chamois, which is perforated for increased breathability. Reflective elements provide increased visibility in low light conditions. Features: - Graduated compression for muscle support and increased circulation - Low-profile leg hems for added comfort - UPF 50+ - Drawcord waistband - Two covered rear pockets - Hybrid chamois - Reflective detailing