Saucony Men's Omni LX Tights Drylete: 92% Polyester, 8% Spandex, Flex Mesh: 80% Polyester, 20% Spandex Imported Welded chafe-free seams down the length of the legs keep the cold air out Reflective trims on front and back keep you shining bright in low light Zippered back storage pocket with waterproof lining keeps your gear safe while you're on the go Zippers at leg openings help you get dressed quickly so you're on your way Lined stretch waist with interior draw cord for a snug, adjustable fit