Product details:

Most summit packs are glorified stuff bags with flimsy shoulder straps. Thats not the case with the Mystery Ranch In and Out 19 Daypack. This daypack is a fully engineered yet featherweight solution that is designed to stuff into its mesh pocket and packs down to the size of a small water bottle. It fits perfectly into your larger backpacking pack, everyday carry pack, purse, and luggage. It features contoured shoulder straps and a sternum buckle for extra support. Built with 100D Cordura mini-rip fabric for durable abrasion and tear resistance, this full-featured, packable daypack will get you In and Out, no matter what your day has in store.

• Stuffs into its own front pocket (8.5x4.5x4)
• Contoured shoulder straps with adjustable sternum strap
• Two, external zippered access pockets
• 2 L (70 oz) hydration reservior pocket against frame with ports to drinking tube above shoulders
• Two tool carry loops with secure straps