Trion 18 BackpackThe Trion 18L is a climbing bag from Mammut. This small climbing bag is designed for quick ascents or for those who want to go off and multi pitch without being weighed down by big bags. With its EVA 3D foam back, the Trion 18L is very comfortable and adjusts to your body shape so that it never gets in the way of your technical moves. The Trion 18's lower loops have been designed so that you can attach your ice axes or walking poles if needed, and the