The Polartec Power Grid Balaclava Union Suit is a revamped version of our popular K2 Union Suit. Featuring a chest entry zipper, circumferential waist relief zipper, and low profile hood, the Balaclava Union Suit is built with versatility and convenience in mind. Made from highly breathable grid fleece, the Balaclava Union Suit will become your go to layering piece for high energy activities of all types.