Our tried-and-true UA Undeniable bag just keeps getting better. Lightweight and built with incredibly durable materials, this is your go-to bag for everyday performance. Removable, padded, HeatGear shoulder strap easily stows away in side pocket. Padded top grab handle. Large front zippered organization pocket & molle webbing attachment points. Large vented pocket for laundry or shoes & internal slip pockets for organization. Tough, TPU-coated & foam-lined bottom & side panels for added durability & structure. Dual water bottle slip pocket. UA Storm technology delivers an element-battling, highly water-repellent finish. XX-SMALL: Dimensions When Full: 8.2""W x 7.5""H x 15.6""L, Volume: 18 L. X-SMALL: Dimensions When Full: 8.7""W x 8.9""H x 17.6""L, Volume: 23L. SMALL: Dimensions When Full: 10.6""W x 10.1""H x 21.7""L, Volume: 40L. MEDIUM: Dimensions When Full: 12.1""W x 11.4""H x 24.6""L, Volume: 58L. LARGE: Dimensions When Full: 14.5""W x 14.1""H x 29.5""L, Volume: 101L. X-LARGE: Dimensions When Full: 16.5""W x 16.1""H x 33.5""L, Volume: 144L. Fabric: 100% Polyester.