Alpha FL 20 Backpack is a minimalist, light, durable climbing backpack designed for rock, ice, and alpine climbing. Product Type: Unisex light, durable daypack Material: Hadron AC² LCP (Liquid Crystal Polymer) External bungee system compresses the load and can hold crampons or a parka. Top strap secures a rope. Dual dog bones hold ice tools. Pair it with a men’s shell jacket or a men’s fleece jacket for layering on rock and alpine climbs. Our smallest Alpha FL pack. The one for those who do more with less. Sized for minimalist climbs and summit pushes, it’s made from our Hadron AC² LCP (Liquid Crystal Polymer) grid fabric to deliver outstanding durability and weather resistance for very little weight. Lightly padded shoulder straps and a laminated back panel improve carrying comfort, and the external bungee system compresses the load and holds crampons or a parka. A top strap secures your rope, and dual dog bones hold ice tools. Need a different size? Try the larger Alpha FL 30 Backpack.