Fully-featured for demanding physical activities in the snow and cold, this über-comfortable waterproof-breathable, insulated winter jacket features a supple exterior with built-in stretch properties as well as internal stretch panels at the shoulders and elbows for maximum mobility, comfort and performance. Omni-Heat insulation and thermal reflective lining amps up the warmth while underarm vents allow you to dump heat quickly when you’re heart rate starts to rise.