The long sleeve thermal t-shirt is available in navy and white to form part of the Portwest range. A traditional T-shirt cut that offers optimum warmth at all times to the upper torso. The material construction allows the skin to breathe if conditions become too warm. The round neck makes it ideal for wearing as an undergarment. Size - Chest to Fit S - 36/38", M - 40/41", L - 42/44", XL - 46/48", XXL - 50/52"