The 20L Rucker 4.0 is a tactical backpack designed for unisex adults by GORUCK in collaboration with Arnold's Pump Club. This black nylon backpack features a zip closure and fits a maximum 15" laptop. It has a 20L capacity, making it suitable for hunting activities during the summer season. The backpack also comes with a lifetime manufacturer warranty and should be cleaned with a damp cloth. Perfect for carrying essentials while out in the field, this tactical backpack offers style and functionality for outdoor enthusiasts.