The Buff Solid Black Merino Heavyweight Tubular Neckwear is a heavyweight, 500gm² neck warmer made of 100% ethically-sourced merino wool. The perfect cold weather layer for the eco-conscious adventurer, the merino wool feels super-soft against the skin, naturally resists odors and easily transitions between workout and hangout. Made from 100% Merino Wool. Wash by hand. Ideal for low-medium intensity outdoor activities 100% Merino Wool, Odour Resistant Moisture Management Multifunctional 100% Seamless.