Craft Sportswear Men's Glow High Visibility Bike Cycling Reflective Full Zip Short Sleeve Jersey Shirt: protective/riding/compression/cooling 94% Polyester, 6% Elastane Imported Ergonomic design for a perfect riding position fit Body mapped mesh inserts at hot spots with mesh superlight fabric for active cooling and moisture transport Hole in back pocket for headset wire Four back pockets (one zippered) Craft is a Swedish brand specializing in clothing for endurance sports where performance and comfort are crucial for a good result Craft is the official apparel and footwear sponsor of Spartan Race Lightweight, micro polyester fabric with a 6-channel fiber construction that effectively pulls perspiration vapor off the body to keep you cool Ergonomic design for a perfect riding-position fit Soft, elastic fabrics for optimal fit and comfort Soft, ergonomic sleeve endings