2XU Men's Thermal Compression Tights 80% Nylon 20% Elastane Imported Medical Circular 70 Denier knit construction for 360 degree consistent yet powerful pressure Men's compression tights designed to keep you warm in cool climates PWX Flex fabric balances key elements of power, weight, and flexibility Regulates core body temperature; supports hamstrings, quads, and more Circular knit provides 360-degree stretch; graduated fit; wicks moisture Flatlock seam construction for added comfort; available in XS through XXL sizes