UA Storm technology delivers an element-battling, highly water-repellent finishTough, TPU-coated & foam-lined bottom & side panels for added durability & structureDual water bottle slip pocketLarge vented pocket for laundry or shoes & internal slip pockets for organizationLarge front zippered organization pocket & molle webbing attachment pointsRemovable, padded, HeatGear® shoulder strap easily stows away in side pocketPadded top grab handle