Intended for use in wintry conditions where comfort and thermal proofing are a concern the north face glacier quarter zip pull on fleece is constructed from high quality polartec fleecing improving breathability and thermal performance without adding weight featuring a single ykk quarter zip pull over design for quick ventilation this mid layer piece can be worn on its own or under waterpoof layers for versatile weather protectionactivitywalking hiking casualcolour swatchblackfasteningq