UA Storm gear uses a DWR finish to repel water without sacrificing breathability Adjustable, padded, HeatGear® shoulder strap for total comfort 2 large vented end pockets, 1 expandable for laundry & shoes Large front zippered organization pocket Top grab handle D-ring on front Dimensions: 13" x 25" x 11" Cubic Volume: 3700 600D Polyester With Abrasion-Resistant Bottom