{"pageUrl":"https://www.comparethespecs.com/fitness-outdoors/cycling/which-cycling-helmets-offer-the-best-ventilation","lastUpdated":"2026-09-13","totalProducts":2,"niche":"Which cycling helmets offer the best ventilation?","description":"Which cycling helmets offer the best ventilation?","products":[{"brand":"Giro","model":"Helios Spherical Road Helmet","price_gbp":295.86,"origin_country":null,"specs":{"weight":"275.9g for medium","ventilation":"15 Wind Tunnel vents with internal channeling","adjustable_fit":"35mm vertical adjustment with micro-horizontal adjustment","retention_system":"Roc Loc 5 Air fit system","aerodynamic_design":"Low-profile shape designed to be more aerodynamic than the Aether"},"confidence_score":null,"sources":[{"label":"Pushys","url":"https://www.pushys.com.au/giro-helios-spherical-road-helmet-matte-sapphire/","currency":"USD","source_country":"US","price":399.99,"price_gbp":295.86,"scraped_at":"2026-09-07T08:41:03.883301"}],"summary":"The Giro Helios Spherical is a lightweight road and gravel helmet with MIPS Spherical protection, dual-density EPS liners, internal airflow channels, and a low-profile aerodynamic shape. Its adjustable Roc Loc 5 Air fit system and broad size range suit riders seeking comfort, ventilation, and rotational-impact protection.","ideal_for":"It suits riders prioritizing ventilation because it has 15 Wind Tunnel vents, internal channeling, and a Roc Loc 5 Air system that allows airflow over the head."},{"brand":"KASK","model":"Protone Icon Helmet","price_gbp":221.9,"origin_country":null,"specs":{"weight":"260 g","ventilation":"26 large vents with internal airflow channels","certification":"CPSC 1203","adjustable_fit":"OCTOFIT+ adjustment system with vertical neck stabilizer","retention_system":"OCTOFIT+ retention system","aerodynamic_design":"Rounded shell with a closed top section for reduced drag in an aggressive riding position"},"confidence_score":null,"sources":[{"label":"KASK","url":"https://www.kask.com/en-us/Protone-Icon/CHE00097-.html","currency":"USD","source_country":"US","price":300.0,"price_gbp":221.9,"scraped_at":"2026-09-07T08:41:03.883301"},{"label":"BikeShoes.com","url":"https://bikeshoes.com/Kask-Protone-Icon-Helmet/","currency":"USD","source_country":"US","price":300.0,"price_gbp":221.9,"scraped_at":"2026-09-07T08:41:03.883301"}],"summary":"The KASK Protone Icon is a lightweight road cycling helmet designed to balance strong ventilation, aerodynamic efficiency, comfort, and protection. Its OCTOFIT+ system and vertical neck stabilizer provide a secure, customizable fit for road racers, endurance riders, and everyday cyclists.","ideal_for":"It suits cyclists seeking the best ventilation because it has 26 large vents and internal airflow channels designed to move air across the head and out through the rear openings."}]}