S1 Lifer Brim Helmet - Grey Matte/Undialed LIT Collaboration Size:X-Small (20.5") which is often an inch

which is often an inch or two smaller than actual waist measurement due to how denim sits

Mesh ventilation for breathability

FIT & SIZING

Wear it like you mean it

and practical storage for every road ride

S1 Lifer Brim Helmet - Grey Matte/Undialed LIT Collaboration Size:X-Small (20.5") which is often an inchThe S1 Lifer Brim Helmet is one of the best fitting and safest helmets on the market. All S1 Lifer Helmets are manufactured with specially formulated EPS Fusion Foam which allows it to protect your head from multiple low force impacts as well as high impacts. The Lifer Helmet is a dual certified helmet and is up to 5x more protective than the soft foam non certified helmets. S1 has been pioneering helmet safety standards over the last twenty years and