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4.7
Sizing Guide
Measure the circumference at the level of your forehead, approximately 1 cm above your eyebrows.
Small
20" - 22" (52 cm - 55 cm)
Medium
22" - 24" (55.5 cm - 59 cm)
Large
24" - 24.5" (59 cm - 62 cm)
The Bern Allston Helmet combines style with function for a helmet that appeals to the most discerning cyclist.
Overview
Bern’s premium commuter/urban helmet, the Allston combines style with function for a helmet that appeals to the most discerning cyclist. At home on both the bike path and city streets, the Allston features a patented soft flip visor, a premium Boa adjustment system for a customized fit, and 16 vents for optimum air flow.