A day hiker’s favorite and newly redesigned the Cloud Walker 18 is a clean and classic daypack - perfect for day hikes and breezy adventures The 3-liter Crux reservoir gives you hours of hydration on the trail Side stretch pockets cargo compression and adjustable sternum strap customize your fit Lightweight and versatile you can remove the reservoir for extra storage capacity to pack around town Internal organization compartments keep essentials tidy and an air mesh back panel keeps air flowing while you move Partially made with post-consumer recycled materials