3 Day Outdoor Expandable Tactical Military Backpack with Wait Pack for Traveler, Campers, Hunter, Trekker and Special Forces- 39-64 L Enjoy your life outdoors together with our premium and heavy-duty rucksack molle pack bag! Standout Quality: - It's crafted into perfection, made of 600 denier polyester with vinyl backing that is waterproof and perfect for any outdoor activities, whether rain or shine, it will never break, soak wet or damage easily and will definitely last for many years. Extendable and Spacious - This 3-day expandable tactical backpack (20 1/2 x 15 x 7 3/4 12 3/4 fully extend, capacity: 39~64 liters, weight2. 7) feature an extra-large expandable main compartment to fit everything you need for a day hike, overnight or three trips. It can be compressed to 39 liters or expanded to 64 liters of carrying space. Added Waist Strap & Front Molle, Velcro Spot, 2 Side Buckle - Wide and thick padded waist strap to relieve back stress, make more stable and protect your waist from unexpected strain. - Front molle webbing compatible for pouches or allowing you to customize your storage option as you need. - A Velcro spot on the front lower side of the pocket can attach your favorite tag. - 2 side buckle to assist the zipper closure and to make it more stable and safe for your things inside of your backpack. Maximum Comfort - Nonslip shoulder strap with breathable fabric, reinforced thick webbed handle will ensure you have a good grip. - Adjustable height sternum strap to ensure stability and reduce shoulder stress and a padded back panel for comfort and breathing bearing. Click the Add To Cart at the top of the page and BUY the best in Expandable Backpack Now! Durable 3-day Expandable Backpack - Are you looking for a heavy duty Backpack for your next adventure? Our Backpack is made of finest 600 denier polyester with vinyl backing. It also has a waist pack for increased safety and more comfortable experience. Extra Large Size + Mesh Pockets - Measures Size: 20 1/2"; x 15" x 7 3/4" 12 3/4" WHEN FULLY EXTENDED; Capacity: 39~64 Liters. Weight2.7 lbs. It has multiple zipper pockets and compartments so you can easier organize and find yours belongs. For Any Active Outdoor Person - Our bag is ideal for people who like camping, hiking, traveling, fishing, hunting, climbing etc. The generous space helps you fit anything you need for a 3-day adventure outdoor. The main area expands from 5" to 10" to fit more gear. Design + Great Gift - One nice surprise is the waist strap is removable for when you are not hiking, camping and trekking. You can make it into a bug out bag or 72-hour emergency kit and just the greatest GIFT for Christmas, birthdays and much more. After-Sale Guarantee: If there are any quality problems, please feel free to contact with us and we will help you with satisfied solution in 24 hours, Quality guarantee 30 days Full refund, 12 months free for Accessories ,such as zippers and lifetime customer service.