Arc'teryx Proton LT Hoody Synthetic jacket (S, orange) - The Proton LT Hoody synthetic jacket from Arc’teryx offers comfortable warmth, good weather protection and optimal breathability for climbing and mountaineering. It is made of a sophisticated blend of Fortius Air 80, Dope Permeair, Coreloft Compact 80 and Coreloft Compact 60. While the warmer version of Coreloft keeps the upper body comfortably warm, the lighter version in the hood provides better ventilation and flexibility. The hood is helmet-compatible and works together with the high collar to provide maximum protection against wind and cold. The elastic upper of the Proton LT Hoody climbing jacket gives a balanced blend of weather protection and breathability. Mountain sports enthusiasts will appreciate its resilience and durability. Along with two zipped side pockets, the Arc’teryx synthetic jacket features an additional breast pocket.