The Bell Stratus Mips helmet is a bicycle helmet designed for road cycling. The Bell Stratus Mips is extremely lightweight yet remains comfortable and protective. Thanks to Mips technology, the Bell Stratus Mips offers additional protection against impacts. Whether you enjoy long climbs or sprints on flat terrain, the Bell Stratus Mips will be perfect for you. Mips: Mips stands for "Multi-directional Impact Protection System." It is a cutting-edge technology for slip planes inside the helmet designed to reduce rotational forces that can result from certain impacts. Construction: Fusion In-Mold Polycarbonate Shell - a process pioneered by Bell that bonds the helmet's outer shell to the EPS foam liner to create a more robust helmet. Lightweight polycarbonate cage. Ventilation: 18 vents on the helmet. Interior: the sweat guide pad wicks away moisture to prevent it from dripping into your eyes and onto your glasses. Type of Ventilation: Overbrow ventilation features intake ports that channel cool air over the head to regulate temperature. Float Fit: a minimalist, lightweight fit system with an easy-to-turn rubber dial for adjustments. Weight: 300 g Bell Helmets Stratus Mips - Bicycle helmet