The Practical Helmet Choice for Commutes and Adventures Ride with confidence, comfort, and unparalleled visibility in the ABUS Hyban 2.0-a hard-shell helmet designed for city commutes and recreational rides. Combining robust protection with smart features, this helmet is your new cycling essential. Rock-Solid Protection: Built with an ABS hard shell and EPS foam for a sturdy, impact-resistant design. Maximum Visibility: Reflectors and a large, integrated LED tail light with 180Adeg visibility keep you seen at all times. Cool & Comfortable: 5 air inlets and 8 outlets provide exceptional ventilation for a breezy ride. Smart Design Details: Bug Mesh keeps insects out while you focus on the ride. Ponytail Compatibility ensures a comfortable fit for long-haired riders. Zoom Ace Urban System with an adjustable wheel offers a precise, custom fit. Full-Ring Adjustment System wraps the head for added stability. Sizing Options: Medium: Fits 52-58 cm circumference. Large: Fits 56-61 cm circumference. Please Note: All helmet sales are final and ineligible for returns or exchanges.