The Start of 4Monster Aug. 2015 It all started on a camping trip to Yellowstone National Park. While four senior outdoor enthusiasts get togetherthe conversation took an unexpected turn to the subject of outdoor gears. Our designer friend brought an awesome travel backpack. After camping our trip leads us to Big Sky City in Montana. Sep. 4Monster Co-funder& General Manager --------Gary & Eddy Why you need an extra light weight daypack during the trip? Everyone must carry a big heavy backpack in the trip.When you arrive at your camp will you take the big backpack with you? No you need a portable backpack allows you travel light. A backpack lightweight design and materials that fit into your pocket when folded. Water Resistant Design Sometimes the rain just fall without sign and watersport is getting popular these days. Most backpacks only use waterproof nylon but water can still penetrate into the backpack through the gap of the zipper. Breathable and Shock-absorbing Backpack Strap This special designed straps will reduce shoulder burden and won't make your clothes too sweaty during the long distance climbing and walking. The straps are light-weighted but also strong and durable you got nothing to worry about.