The Mountain Equipment M COMPRESSOR 3/4 PANT is your reliable insulating overpants for cold ski touring days in the high mountains. Designed as an extra layer of warmth for mountaineers, the POLARLOFT® synthetic fiber filling provides long-lasting warmth without being heavy. The full-length side zipper makes it easy to put on and take off, even with ski boots on. Thanks to its small pack size, the pants fit easily into your backpack and accompany you on every tour without taking up much space. So you're well protected when it gets really cold outside.