YKK® side zipper zips top to bottom

saddle rubs

this technology improves leg position and increases safety in the case of a fall

and 3/4" wide

One K Avance Wide Brim with MIPS and CCS key rack YKK® side zipper zips topThe popular One K Avance Wide Brim helmet now available with MIPS and CCS! Certified to ASTM standards. Helmet Shape Regular Round Is shaped for a head which has almost identical front to back and side to side measurements. Long Oval Is shaped for a head which is longer front to back (from forehead to the back of the skull) than it is side to side (ear to ear). HELMET SIZE CM MEASUREMENT HAT SIZE X Small 51 52 cm 6 3 8 6 1 2 Small 53 54 cm 6 5 8 6 3 4