Most summit packs are glorified stuff bags with flimsy shoulder straps. However, the In & Out is a fully engineered yet featherweight solution.Designed to stuff into its front, mesh pocket packing the size of a small water bottle it fits perfectly in your backpacking pack, everyday carry pack, purse, and luggage.It features contoured shoulder straps and a sternum strap. Built from 100D Cordura mini-rip for high abrasion and tear resistance, this full-featured, packable daypack will get you In & Out, whatever your mission might be.