Just ordered 4 helmets. Which should I keep? Also, my head size is 55 cm. Small goes from 51-55cm and M goes from 55-59cm. I'm right in the middle. Should I size
Giro Agilis MIPS Helmet – ADVNTR.cc
GIRO AGILIS MAT BLACK/BRT RD 59/63 L 20 HELMET : Amazon.co.uk: Sports & Outdoors
Emmanuel Cycles - New: Giro Sport Design Agilis MIPS year 2020 model helmet - $130 Small: 51-55cm only available in Black Medium: 55-59cm Large: 59-63cm Available for red black, black and white