Size Chart Masks and Hats

Masks, hats and the COSMA 20 masks. All measurements in centimetres.

COSMA 20 masks — face length in cm

Measurement	S	M	L	XL
Nose bridge to chin	10–11,5	12–13,5	14–16	16,5–18

Masks and hats — head circumference in cm

Measurement	XS	S	M	L	XL
Head circumference	52–53	54–55	56–57	58–59	60–61

COSMA 20: run the tape from the bridge of your nose over the tip and down to the end of your chin. Masks and hats: measure the head horizontally, one centimetre above the eyebrows.