If you want to be PDQ on your day hikes and short missions, the Trail Zip 18L might be the perfect pack for you. An ideal size for your essential layers, snacks, water and other essentials, this pack comes with Z-pole sleeves to stash trekking poles, a BDFlash pocket for headlamp storage, internal pocket for wallet and keys, and four connection loops to stow away on bigger adventures and use as your summit pack. With this pack on your back you can stay zippity fast on all your awesome backcountry missions.