These full plush calf socks with many functional zones are specially tailored for safety shoes and have an antibacterial effect. Thanks to the additional stretch zone on the ankle and heel, these socks offer additional support and a perfect fit. Anthracite functional zone: The full plush sole made of combed cotton with a reinforced heel and toe is comfortable to wear. Specially integrated ventilation channels ensure perfect absorption of moisture. A stretch zone made of Lycra on the ankle and heel ensures comfortable support at all times. Functional zone black/colored: Merino new wool ensures an all-round pleasantly warm climate and optimal wearing comfort. Thin Lycra threads are processed in the waistband, which offer perfect support without constricting.