Brooks Men's Infiniti Tight III, Black, XL X 30 Mesh^Polyester^Spandex Imported Machine Wash Tight Fitted - With regular fitted fabric on the outside, the tights contour nicely to your body and provide a nice and comfortable fit. Moisture Management - The wicking fabric draws moisture away from your skin so you stay dry and comfortable but still warm. Silicone Gripper - To help prevent tight riding up. Elasticated Waistband - Allows for greater comfort and fit Internal Moisture-Proof Pocket - Great for storing your mp3 player, and it's effective in drawing moisture away to keep your valuables dry.