Fabric: 100% polyester UA Storm technology delivers an element- battling, highly water-resistant & stain resistant finish Feature: Breathable mesh back panel & adjustable, HeatGear® shoulder straps Adjustable, removable UA Strap Clip™ on shoulder Soft-lined laptop sleeve—holds up to 15" Water-Repellent front va Under Armour - Hustle 5.0 TEAM Backpack