To find the right size, compare it with a similar garment that you wear regularly. Lay it flat and measure the outside.

Please note that measurements may vary slightly.

Christmas pyjamas size guide
Sizes Chest (A) Length (B) Sleeve (C) Trouser Length (D) Waist (E)
XS 19.1 25.2 25 39.4 14
S 19.7 27.2 25.4 39.6 14.6
M 21.3 28.1 26 40.6 15.2
L 21.7 28.7 26.4 40.6 15.4
XL 22.2 29.3 27.4 40.7 15.7
2XL 22.8 29.3 27.4 41.3 16.7
3XL 24.6 30.3 27.6 41.7 17.7
Sizes Chest (A) Length (B) Sleeve (C) Trouser Length (D) Waist (E)
12-24 months 11.6 16.3 13.4 23.6 9.8
3-4 years 13.2 17.3 16.5 25.8 10.8
5-6 years 13.8 19.1 17.3 28.7 11.6
7-8 years 14.6 21.3 18.9 30.9 12
9-10 years 15.4 21.9 20.9 33.3 12.6
11-12 years 16.1 22.8 22.2 35.4 13.4
13-14 years 16.7 23.4 23.4 37.2 13.6