Features:- Fast Wicking Main Body Fabric - Silicone Shoulder Print For Backpack Strap Grip - Standard Slim, Not Baggy, Flap Free Fit Accommodates Slim Line Padding - Laser Cut Perforation Details For Extra Ventilation - Zipped Sleeve Lift Pass Pocket .Specifications:- Polyester (Recycled) 70% Polyester 20% Nylon 10%