An insulation pack is detachable so you can use this hydration backpack both in winter and summer for outdoor running, cross-country and marathon, and the mesh back and shoulder strap provide optimal carry comfort.
Features:
3 storage compartments to hold a 2L water bladder and still no problem to organize the cloth, purses, flashlight, towel, trekking pole, energy bars, keys, phone and so on.
Detachable insulation pack in main compartment to keep a temperature of water for a time, and your back will not be affected by water temperature.
Water repellent nylon fabric, do not worry about rainy days.
Mesh shoulder strap and back, breathable and comfortable to carry.
Reflective stripe improve visibility in dark.
Perfect hydration backpack for running, cross-country, camping and marathon no matter in spring, summer and autumn.
Specifications:
Color: Black / Red / Green / Blue (optional)
Material: Nylon
Total capacity: 5L(all pockets)
Suggested chest: 95-105cm / 37.4-41.3in
Size: 38 * 27cm / 14.9 * 10.6in
Weight: 316g / 11.1oz
Package weight: 338g / 11.9oz
Package size: 41 * 23 * 4cm / 16.1 * 9.0 * 1.5in
Package List:
1 * Hydration Pack