The men’s WHIRLIBIRD III Interchange jacket features Interchange: wear the insulated liner alone or with the shell for max warmth. On the mountain or the streets, Thermarator insulation is warm and moisture-resistant. Omni-Heat reflective lining reflects body heat back at you. Seam-sealed Omni-Tech shell treatment makes it waterproof and breathable. An adjustable hood, cuffs and hem tailor your fit against the cold. Underarm venting regulates body temperature. The drop tail and snap-back powder skirt keep the snow out. A chest pocket, ski pass pocket, inner security pocket, goggle pocket, and two zip hand pockets give you storage options.