Breakaway Winterlock Roll Neck Skivvy Navana Clothing Breakaway Mens Winterlock Roll Neck Skivvy Hannas Breakaway Mens Winterlock Roll Neck Skivvy Hannas Breakaway Winterlock Roll Neck Skivvy Brands Mens : Yarntons New Black Pepper Winterlock Roll Neck Skivvy David Jones. The Winterlock Roll Neck Skivvy is one of our much loved basics made from an ultra soft 65% Polyester 35% Cotton knit material, designed to wear as an easy care layer that's functional and warm. This fitted long sleeve top features a classic crew roll neck and piping detailing for a casual, modern finish. Wear it with our fleece pants for extra cosiness.