The Kilpi WILLIE-J is a children´s functional long sleeve top with a standing collar.It is the ideal base layer for sport or outdoor activities.The OPTI-DRY material wicks sweat and moisture away from the skin, is pleasantly warm, quick-drying and adequately stretchy.The flat seams are gentle on the skin and do not irritate.The Kilpi WILLIE-J is available in several modern colour combinations for both girls and boys. Compare prices from: Kilpi in Men's Underwear