The perfect all-rounder: Sporty entry-level helmet with a durable combination of EPS and PC shell. Features an individual fit due to the Zoom Ace adjustment system with a precise control dial. Includes a visor for enhanced protection. High wearing comfort when touring on the bike: Fully enclosed, connected plastic ring ensures a perfect fit thanks to the intuitive adjustment wheel. Balanced ventilation system provides good air circulation with 5 air inlets and 8 air outlets. Technical details: Unisex helmet for adults, weight 280 g, colour yellow, size M = head circumference 52-58 cm. Safe, reliable, and stable - that is what the name ABUS stands for, setting the standards in protection at home, object security, and mobile security.