Octave British Made Mens Thermal Sleeveless Vest (Extra Warm) Fully brushed inside for extra warmth & softness. Ribbed fabric for added stretch and comfort. Body contouring guaranteed perfect fit. Excellent wicking rating. Side seam free for added comfort. Home machine washable at 50 degrees, Can be dry cleaned, May be tumble tried, Cool iron. Cosy & warm but lightweight thermal material. Proudly British Made in Leicester. Easy care home machine wash at 50C. Maintains warmth even after many washes.