Arc'teryx Aerios 15 Backpack - Pytheas Size:Regular your drink stays at the

your drink stays at the perfect temperature for longer

and retains its shape with or without a bottle in place

5” to the length while maintaining streamlined design and packable performance

Designed to fall below the knee

it offers room for two

Arc'teryx Aerios 15 Backpack - Pytheas Size:Regular your drink stays at theFor fast and light day hiking. The Aerios 15 will hold the essentials, layers, snacks and hydration. Made from Cordura nylon with a liquid crystal polymer ripstop grid, the pack is featherweight and durable. Useful features include mesh pockets on the shoulder straps that will hold soft flasks, and an external bungee system. There's the usual two side pockets, as well as two hiking pole attachments. An AeroForm back panel maintains comfort, even in