Alk13 Protection Size Guide

Helmet Sizing

To ensure a perfect fit, measure the circumference of your head starting in the middle of your forehead and match it with the sizes below.

Sizes Head Circumference
Small 51-53cm
Medium 54-56cm
Large 57-59cm

3-Pack Protection Set Sizing

Sizes Recommended User Age
XS (green) Up to 10 years
S (blue) 10-12 years
M (red) 13-15 years
L (brown) 16-99 years

Knee pads Sizing

Sizes Recommended User Age
S-M Up to 15 years
L-XL 15-99 years

Hip Pads Sizing

Sizes Recommended Age Recommended Weight
S Up to 12 years 20-40kg
M 12-15 years 40-75kg
L 16-99 years 75-100kg

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