Cotopaxi Inca Technical Daypack - Lightweight Durable Hiking Outdoor Travel Backpack 210D nylon ripstop shell fabric. Padded, highly breathable backpanel and shoulder straps. Adjustable chest, waist and shoulder straps. Stowable ice axe loops and side trekking pole attachments. Internal hydration sleeve with hang loop. Large zippered cell phone pocket on shoulder strap. Zippered top pocket with key clip and two zippered side pockets. Two side water bottle pockets.