Black Diamond Axis 33 Backpack, Sulfur, Small A zippered, top-loading alpine guide-style pack with ergoACTIV suspension Patent-pending ergoACTIV suspension with Swing Arm shoulder straps and fixed torso length and Thermoformed, vented back panel Top-loading zip closure, tuck-away helmet holder and rope strap Ice tool PickPockets, 3-point haul system and welded crampon patch with removable strap Removable padded hip belt and fixed 25 mm webbing belt and Hydration compatible