45+ Helmet Size Chart In Mm Pics. Your helmet is the most important part of your riding gear. Head size and head shape will help you find the most comfortable fit of helmet and will ensure your head is protected on the road.
Generally bolle snowboard & ski helmets fit acording to the size chart above however differences in head shapes can cause helmets to feel tight or uncomfortable on some people. Please note that both regular and long oval shaped helmets use the same liners. See below for specific sizing charts for specialized, kask, met and giant.
Choosing a helmet isn't just figuring out your size and your favorite paint job.
A helmet size chart with us hat size matched up with head circumference. Keep the tape level across the back and comfortably loose. Over time the protective foam in helmets will adjust to the contours of a user's head. Do not size a helmet with room to grow: