The Alpha FL 30 is built for climbers and alpinists. Large main compartment can hold all your essentials.White interior for heightened internal visibility. PU coated inside and out making it water, snow and even air-impermeable .RollTop provides a weatherproof seal, extends the packs volume and when not needed tucks inside the pack for quicker access. WaterTight external zippers block out all the elements. Glove-friendly draw cord opening for easy access during freezing conditions. Arc'teryx AC² suspension system with an adjustable, removable sternum strap to help with heavy loads. Shoulder straps are soft-edged and carry extremely comfortably with heavy or light loads. Unique laminated shoulder strap construction that delivers comfort without unnecessary weight. Back panel is made of HD 80 foam that is a high density polyethylene foam that provides support and structure to the bag. External lash points can be used to attach tools, crampons, extra layers, helmets or sleeping bags. • Two ice axe loops.• Six integrated front lash points.• Bungee front attachment system for added carrying space. Seams are taped for greater water resistance. Made of a unique nylon fabric, N400-AC² that shreds weather. Wide nylon waistbelt that is 1.6" wide. Volume: 1830 in³/30 L.Imported. Measurements: Bottom Width: 14 in Middle Width: 14 in Top Width: 14 in Depth: 6 in Height: 26 1⁄2 in Strap Length: 38 in Strap Drop: 18 in Weight: 1 lbProduct measurements were taken using size Regular. Please note that measurements may vary by size.