Outdoor Research
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Men's Size Guide UK S M L XL XXL Chest Inches 37 40 43 46 49 Cm 94 102 109 117 124 Waist Inches 29 32 35 38 41 Cm 74 81 89 97 104 Hips Inches 36 39 42 45 48 Cm 91 99 107 114 122 Inseam Inches 31 32 33 34 35 Cm 79 81 84 86 89 Women's Size Guide UK XS S M L XL Chest/Bust Inches 32 34 36 39 42 Cm 81 86 91 99 107 Waist Inches 24 26 28 31 34 Cm 61 66 71 79 86 Hips Inches 34 36 38 41 44 Cm 86 91 97 104 112 Inseam Inches 29 ½ 30 30 ½ 31 ½ 32 ½ Cm 75 76 77 80 83 Men's Size Guide UK S M L XL Circum Inches 7 - 7 ¾ 8 - 8 ½ 9 - 9 ½ 9 ½ - 10+ Cm 18.4 - 19.7 20.3 - 22.3 22.9 - 24.1 24.1 - 25.4 Length Inches 6 ½ - 7 7 ½ - 8 8 ½ - 9 9 - 9 ½ + Cm 16.5 - 17.8 19 - 20.3 21.6 - 22.9 22.9 - 24.1 Women's Size Guide UK S M L Circum Inches 6½ - 7 ¼ 7¼ - 8 8 - 8 ¾ Cm 16.5 - 18.4 18.4 - 20.3 20.3 - 22.2 Length Inches 6 ½ - 7 7 - 7½ 7 ½ - 8 Cm 16.5 - 17.8 17.8 -19 19 - 20.3 Kid's Size Guide UK S M L Circum Inches 4 ½ - 5 ½ 5 ½ - 6 6 - 6 ½ Cm 11.4 - 13.3 13.3 - 15.2 15.2 - 16.5 Length Inches 4 ½ - 5¼ 5 ¼ - 6 6 - 6 ½ Cm 11.4 - 13.3 13.3 - 15.2 15.2 - 16.5 To ensure you get the correctly sized hat it is important to measure your head correctly.
Measure your head in centimetres by wrapping a tape measure firmly around the circumference of your head; slightly above the ears.
Compare the measurement with our size guide to find the correct hat size for you.
Men's Size Guide UK S M L XL Hat Size 6 ⅞ 7 ⅛ 7 ⅜ 7 ⅝ Inches 21 ⅝ 22 ½ 23 ¼ 24 Cm 55 57 59 61 Women's Size Guide UK One Size S/M L/XL Hat Size 7 ⅛ - 7 ⅝ 6 ⅞ - 7 ⅛ 7 ⅜ - 7 ⅝ Inches 22 ½ - 24 21 ⅝ - 22 ½ 23 ¼ - 24 Cm 57 - 61 55 - 57 59 - 61 Kid's Size Guide UK XS S M L Age 0 - 1Y 1 - 3Y 3 - 6Y 6 - 12Y Inches 18 ½ 20 21 22 ½ Cm 47 51 53 57 Men's Size Guide S M L XL XXL UK 3 - 6 5 - 8 7 - 10 9 - 12 11 - 14 Euro 35 - 40 38 - 42 41 - 45 43 - 47 46 - 50 Women's Size Guide S M L UK 3 - 5 5 - 7 7 - 9 Euro 35 - 37 37 - 41 39 - 44