Decathlon launches the Rockrider Defence Bag onto the market. The protector backpack combines 21 litres of storage space with an integrated D3O back protector and is aimed at mountain bikers and winter sports enthusiasts. Four functional compartments offer space for tools, range extenders and trail equipment. The carrying system with neoprene-reinforced hip belt and chest strap is designed to keep the rucksack stable on the back even on technical descents. The Defence Bag is available now for 99.99 euros.