Loop Law Professional Neutral Summer Breathable Electric Single Bike

Shell: high-strength PC material inside is: high density EPS material, density 85 M code: 52-58 (most ladies choose M) model female 53, male 56 with M L code: 59-62 (L is selected for most Men) model Male 58.5, male 57, female 58, female 56 with L the specific one can be selected according to your head circumference.