TM-P16-GRKZ_Small j-M Tesla Men's Cool Dry Compression Baselayer Pants Leggings Capri Shorts Tights P16 JP-M We strongly recommend ordering ONE size up what you normally wear. Gear designed for all seasons (Releases heat and wicks moisture with a cooling effect) 87% Polyester-13% Spandex Non abrasion fabric material with excellent elasticity and durability Moisture Sensing/Quick time Dry/TWO-WAY Air Circulation.