Feature：
Material: nylon
Product Size: 27" L x 16.5" W x 4" H
Multi functions: Adjustable Straps, for tying up your day back pack or hanging sleeping bags, mat, hammock, tripod, and other accessories gears. Both sides mesh pockets for water bottles or less items. Woven loops on front panel to lock.
Large capacity: For 3 or 4 days travel or trips.
Comfortable: Breathable mesh shoulder straps with plentiful sponge padding help relieve the stress from your shoulder. Widened and thickened S-type shoulder straps and high elastic and breathable back support for best ventilation and easing a burden.
Adjustable chest strap: Relieve the stress from back.
65 Liter Waterproof
backpack: With a rain cover. Made with the rip-stop polyester, water resistant, keep items dry.
Aderla