Soloom 15L Hiking Daypacks,Packable Ultra Lightweight Outdoor Cycling Backpacks Nylon Camping Rucksack Hikers Backpack nylon Imported LIGHTWEIGHT:Only 1.1 pounds,comfort straps make you feel portable. COMFORTABLENESS:Meet the ergonomics design,Integral type back ventilation mesh,ventilate and sweat effectively. STORAGES:Storage compartments are designed to carry your daily necessities and hiking equipment. CYCLING BACKPACK DIMENSIONS:19"x 11.8"x 7.8",Includes a helmet net,no helmet. NOTICE:NOT A HYDRATION BACKPACK;CAN HOLD A 1L TO 1.5L BLADDER BUT NO HOLE OUTLET FOR DRINKING TUBE.