Size (Medium): 78 cm high x 34 cm wide x27 cm deep (top) Volume (Medium): 55 l 3 back lengths: S: to approx. 170 cm body size; M: for approx. 170 - 185 cm body size L: from approx. 185 cm body size Weight (Medium): Packaged: 1400 g Materials: PU coated, waterproof 420D HD Oxford nylon und PU coated Taffeta nylon Colours: Black , Ruby red