The quintessential Mountainsmith Tour TLS (Technical Lumbar System) Lumbar Pack created the category 30 plus years ago and still delivers with a worthy design capable of stashing all of the essentials for street, travel and trail. It's made from Reforge? recycled PET body fabric (100% Recycled) and high tenacity nylon in key wear areas to up the ante on performance. Key features include waistbelt mesh pockets, wider shoulder strap pad for messenger carry, flat profile side bottle pockets, dedicated internal iPad/tablet sleeve, and increased ergonomic fit with a Lumbar Control Point pad.Removable shoulder strap Interior padded sleeve for iPad / iPod / Netbook carry Diamond airmesh foam with DWR anti-sweat finish Lumbar Control Point? pad Tuck-away waistbelt Patented Delta Compression System load adjustment Low profile side bottle pockets (fit up to 22oz) Bottom compression straps Strapette compatible (sold separately) Inner Sanctum? interior zippered compartment for small valuables YKK? Zippers Bar tack reinforcements 3M? Reflective Bungee Carry capacity: up to 12 lbs. Fit range: Waist Belt: 26 to 52 in. Material: 450d ReForge? PET RipStop body fabric (100% Recycled), 420d Duramax?Nylon, 210d RipStop Liner Size: 11.5 x 10 x 5 in. Weight: 1 lb 5 oz Capacity: 488 cu in.