BELL Formula MIPS Adult Road Bike Helmet - Matte/Gloss Grays (2023), Medium (55-59 cm)

FUSION IN-MOLDING POLYCARBONATE SHELL - A process pioneered by Bell bonds the helmet's outer shell to the EPS foam liner to create a sturdier helmet. MIPS-EQUIPPED - MIPS stands for Multi-directional Impact Protection System, which is a leading slip-plane technology inside the helmet designed to reduce rotational forces that can result from certain impacts. FLOAT FIT & NO-TWIST TRI-GLIDES - A minimalist, lightweight fit system with an easy-to-turn rubber overmolded dial for adjustments (integrated with MIPS). Quick-adjust fasteners that help keep straps flat and properly positioned. SWEAT GUIDE - Sweat Guide pad design pulls moisture away from the brow pad and away from eyewear. SPECIFICATIONS - Small (52-56 cm), Medium (55-59 cm), and Large 58-62 cm) Sizes. Important: always take a head measurement. Head sizes and shapes can vary, even within an age range. Using a helmet that does not fit can be dangerous; 19 vents.