1.5 liter hydration reservoir and 4 liter cargo storage for 1-3 hour rides Hose snaps in place automatically Store additional small items in the front flap Ride in comfort and descend with confidence with superior stability and breathable materials One-handed, behind the back access to phone in soft, structured pocket Quickly access nutrition with side jersey pockets Organize tools and clothing accessories in interior pockets Locate and replace hydration hose without taking your eyes off the trail using the patented ReTrakt magnetic hose retention Stay visible with reflective details and a light attachment loop