Duthie39s biggest hydration pack the new duthie am 150 is built for full days on the mountain cavernous gear capacity smart organizational options and a carrying system for a full face helmet and pads ensures your stuff is secure while the new floatairtrade back panel keeps you cool as you rail down the mountain platypus duthie am 150 hydration pack features floatairtrade back panel highly breathable mesh is tensioned over a lightweight wire frame floating the pac