Famous for their pioneering use of natural Merino wool to solve the limitations of synthetic fibre and internationally recognised for their dedication to sustainabiltiy, Icebreaker are back for another season of class defining outdoor layering. Here is the Atom hoodie, a lightweight midlayer made from 200 (the larger the number, the warmer you are) Merino wool, corespun with nylon for added durability, dubbed RealFLEECE fabric. Technically superior to synthetic fibres, the Merino wool Icebreaker source is kind to the farmers, the environment and to you, with high breathability, odour control and warmth.