This is a 5L professional cycling backpack with 2L water bladder,capable for storing most necessaries for activities, suitable for riding, running and mountaineering etc.
Features：
WATER SUPPLEMENT--Environmental TPU hydration bladder equipped, pressure-tolerant and leak-proof. Drinking water by tube directly without taking your running vest off or stopping your .
SAFETY--Designed with reflective strips on back and front that is conspicuous in dark straps to keep you safe.
BREATHABLE--Excellent air ventilation system consist of porous mesh back and comfortable cellular cushion，prevents stuffiness and releases pressure to your back.
LIGHTWEIGHT--Ultralight backpack with wide,adjustable and breathable shoulder straps distribute weight effectively, reduces strength consumption. backpack with 2L water bladder provides you max support,min burden and more convenience.
LARGE CAPACITY--Spacious compartments with 5L loading capacity is large enough for storing most daily needs such as laptop, tablet, purse, books, cellphone, water-bottle and umbrella etc.
VERSATILE--Suitable for all kinds of activities include riding, running, cycling,camping,hiking, mountaineering, outing, or excursions etc.
Specification：
Color: Black/Red/Gray (Optional)
Backpack capacity: 5L
Water Bladder capacity: 2L
Material: Polyester,TPU
Package size: 40*27*4cm/15.7*10.6*1.6in
Package weight: 360g/12.7oz
Package List：
1* Backpack
1* Water Bladder
