Technical base layers often come into their own in cooler months when it can be hard to balance the need for extra insulation with the ability to wick moisture away from the body when you re on the move. Dexter is made from a polyester and wool blend that helps keep you fresh and dry all day long.T-shirtsPlain85% Polyester, 10% Wool, 5% SpandexMachine wash according to care label Shop At House Of Fraser