Octave Mens Thermal Underwear Long John (British Made Viscose Extra Warm Range) Fully brushed inside for extra warmth & softness. Ribbed fabric for added stretch and comfort. Body contouring guaranteed perfect fit. Excellent wicking rate draws sweat away from your skin. Integrated fly flap. Cosy & warm but lightweight thermal material. Proudly British Made in Leicester. Easy care home machine wash at 50C. Maintains warmth even after many washes. Covered elasticated waist for comfort. Soft cuff at ankle - ideal for layering & tucking into socks.