This Jack Pyke size guide gives you clear measurements for men’s, women’s, and kids’ clothing. Use it to match chest, waist, and age-based sizes to UK standards. If you’re unsure of your size, measure first using the simple guide below.

Mens Clothing Size Guide

Size Small Medium Large XL XXL 3XL
Chest (inches, approx) 38–40” 40–42” 42–44” 44–46” 46–48” 48–50”

Mens Trousers Size Guide

Size 2XS XS S M L XL 2XL 3XL
Waist (inches) 26–28” 28–30” 30–32” 32–34” 34–36” 36–38” 38–42” 42–44”
Waist (cm) 66–71 71–76 76–81 81–86 86–91 91–96 96–106 106–112

Womens Clothing Size Guide

UK Size Size Chest (inches, approx)
8 XS 36–38”
10 Small 38–40”
12 Medium 40–42”
14 Large 42–44”
16 XL 44–46”
18 XXL 46–48”

Footwear Size Guide

Region UK 6 UK 7 UK 8 UK 9 UK 10 UK 11 UK 12 UK 13
UK 6 7 8 9 10 11 12 13
EU 39 41 42 43 44 45 46 47
USA 7 8 9 10 11 12 13 14

Hat Size Guide

Size XS S M L XL 2XL
Circumference (cm) 57 58 59 60 61 62
Circumference (inches) 22 2/8 22 5/8 23 23 4/8 23 7/8 24 2/8

Junior Size Guide

Age 3–4 yrs 6–7 yrs 8–9 yrs 10–11 yrs 12–13 yrs
Size XS S M L XL
Jacket (inches) 20–22” 22–24” 24–26” 26–28” 28–32”
Jacket (cm) 51–56 56–61 61–66 66–71 71–81
Trousers (inches) 16–18” 18–22” 20–24” 24–26” 26–28”
Trousers (cm) 41–46 46–56 51–61 61–66 66–71

Fit Tips

  • If you’re between sizes on chest/waist, pick the larger for layering underneath.
  • Some waterproof or insulated layers may fit slightly larger to allow room for mid layers.
  • For boots, go with your normal UK shoe size unless you’re wearing thick socks.

Shop Jack Pyke