For a fast paced and action packed game like football, amongst the thousands injuries you might get, you also run the risk of dehydration. While minor injuries are a part of the game, dehydration and heatstroke can probably be avoided with some inventive use of water. Hydromax system is designed to provide water supply to players in a wearable, armor protected supply. The system incorporates a plastic water bladder and a flexible silicon tube that ends in a bite valve. How useful players find the water supply and the extra weight, probably depends on individual tastes.