Aero Time Trial Bike Helmet With Goggles Lens - Road Cycling Safety Cap. Stay Protected and Comfortable with Our Premium Integrally-molded Helmet, Designed for Men Seeking Superior Safety and Style. Crafted from High-quality Materials, This Helmet Features a Durable PC Shell and EPS Interior for Maximum Protection. With a Lightweight Design, It Comes in Two Versions: One Lens at 305g and Two Lenses at 355g. The Helmet Offers a Breathable Airflow Vent System, Ensuring Comfort During Intense Activities. The Magnetic Type PC Lens Provides Clarity and Ease of Use, While the Removable Lining Ensures Hygiene and Convenience. An Adjustable Sizing System Allows for a Perfect Fit, Accommodating Head Circumferences from M (54-57 Cm) to L (57-61 Cm). Choose from 8 Vibrant Color Options to Match Your Style. Features Summary: - Materials: PC Shell, EPS Interior - Weight: 305g (1 Lens) / 355g (2 Lenses) - Size Options: M (54-57 Cm), L (57-61 Cm) - Integrally-Molded: Higher Hardness for Enhanced Safety - Ventilation: Breathable Airflow Vent System - Lens: Magnetic Type PC Lens - Lining: Removable for Easy Cleaning - Adjustable Fit: Size Adjustable System - Color Options: Available in 8 Colors Ensure Safety Without Compromising on Comfort and Style with This Advanced Helmet..