Craft Sportswear Men's Cool Mesh Superlight Sleeveless Skiing Cycling Training Base Layer Top 95% Polyester, 5% Elastane Imported Ergonomic fit for total freedom of movement Lightweight micro polyester mesh fabric with a 6-channel fiber construction pulls perspiration vapor off the body to keep you cool Full lightweight mesh Craft is the official apparel and footwear sponsor of Spartan Race 100 percent polyester. Made of craft cool fabric which keeps you cool, comfortable and dry. Flat seam contour construction keeps you comfortable a reduces the chance of chaffing. Wash with smiliar colors, do not use softner, wash inside out, tunble dry low, do not iron. Made in China.