Features of the CamelBak H.A.W.G. LR 20 Hydration Pack The crux LR reservoir delivers 20% more water per sip while keeping weight positioned low on your back, which translates to better stability in the saddle and on the trail Airfoil back panel is our most advanced back panel providing maximum comfort and ventilation even on the longest rides Magnetic tube trap keeps your tube secure and accessible when you need it Stabilizing load-bearing hip belts with cargo optimizes a custom Fit and keeps essentials close at hand Dual reservoir compression straps cinch the reservoir into the small of your back for a tight stable Fit Rain cover keeps your pack and gear shielded from inclement weather Built in helmet carry hooks and secures a XC helmet while still allowing full access to to you pack without removing Torso Range: 17 - 21 inches