HABA 4108 - Back section and carriage straps formed ergonomically with padding, elastic band for jackets in the front. Inside pockets with zippers, two side pockets, aluminum carabiner, reflector strips. Backside mesh fabric facilitates air circulation. Volume approx. 10 liters. Made of polyester, very robust! Comes with book on nature (in German). Measures 15" x 12" x 4". Made in China.