Say hello to the Men's Calen Jacket Resort. Stuffed a lightweight, highly compressible and enviably warm 3M Thinsulate featherless insulation—a synthetic insulation that boasts warmth without bulk and a soft feel—into a durable nylon ripstop fabric and called it a day. Elastic hem and cuffs keep the jacket in place and Angel-Wing Movement allows you to move without the jacket riding up. Zippered pockets offer a warm place for you hands to rest. Wear under a shell or on its own.