Smith Network MIPS w/Koroyd Road Helmet 51-55cm Matte Navy/Rock Salt- New $180 Mips Size Small 51-55cm Color Matte French Navy/ Rock Salt - Lightweight Aerocore in-mold construction - Ventilated protection featuring patented Koroyd material - MIPS system available in all colors - VaporFit adjustable fit system - 20 optimized vents - XT2 anti-bacterial performance lining - Ultra-light single layer webbing - AirEvac ventilation - Camera and light mount compatible - Ultimate sunglass integration - Adjustable/removable visor - Weight (Size M) 10.58oz / 300 grams Sizing - Small: 51 – 55cm