100% polyester; UA Storm technology delivers an element-battling, highly water-resistant finish; Tough, abrasion-resistant bottom and side panels; Two large, front zippered pockets; Removable, padded, HeatGear® shoulder strap for total comfort; Padded top grab handle; Large vented pocket for laundry, shoes and internal slip pockets; Embroidered UA label on side; Heat-seal UA logo on front; 29.5" x 14.5" x 14.1"