IMAGE Black/Olive /Tan Men Women Outdoor Camping Trekking Hiking Bag Military Tactical Backpack Sports Shoulder Chest Bag Can be used for hiking, and lots of other outdoor activities,especially for bikin. It is crafted from military nylon fabric, high intensity and durable. Innovative single ambidextrous sling shoulder design. Features main compartment with two pockets and front lower compartment with elastic organizer loops and key retention. Adjustable and stowaway shoulder strap. Various attachment points for modular expansion. Please kindly refer to the size chart before buying/bidding. It is the actual sizes from our careful measurement.Still there will be very slight difference as the unavoidable deviation during production.