Bern Mens Allston Cycling Bike Helmet w/ Flip Visor - Matte Black - S/M - Black | S/M (54-57cm) | Helmet

Built for urban riders and commuters who demand the most from their gear, the Allston is our top-of-the-line city lid. Featuring premium Zipmold+ construction, the Allston offers 3 shell sizes and a Boa 360 degree retention system for the ultimate fit, while 16 large vents offer optimum air flow. Our signature soft flip visor and a performance moisture-control liner round things out and give the Allston a distinctive Bern look. With a style that is at home on the way to the office as it is on the bike path, the Allston offers versatility, performance, and style all rolled into one package. * Style: Built for urban riders and commuters who want a top-of-the-line city lid with aggressive lines and flip up visor. * Comfort: 16 large vents offer optimum air flow. BOA 360 degree retention system for the ultimate fit. * Protection: Premium InMold construction with our proprietary Zipmold+ liner for the ultimate weight to strength ratio. * Replaceable moisture control ZipMold liner with soft flip visor. * Easily add our PDW Bike Light which quickly attaches to the helmet or add a cold weather bike liner to bike all season long.