Outdoor ResearchĀ® Climbing Ambassador Kyle Dempster shares why he is a fan of the warm, lightweight Incandescent Jacketā¢. The perfect insurance for epic alpine ascents, winter camping and long ski tours where a high warmth to weight ratio is crucial, the DWR treated 10D PertexĀ® shell of the incredibly lightweight Incandescent Hoody⢠also makes it theperfect late-fall rock climbing belay parka on very cold days. See the Menās Incandescent Jacket here. See the Womenās Incandescent Jacket here.