The product tests conducted internally and feedback from our customers seem to indicate the following fit:
| SMALL | NORMAL | LARGE | |
| UPPER TEXTILE | X | ||
| LOWER TEXTILE | X | ||
| SHOES | X |
| Men's upper clothing Helly Hansen | ||||||||
| International sizes | XXS | XS | S | M | L | XL | XXL | XXXL |
| French sizes | ||||||||
| US sizes | ||||||||
| Adult sizes (in cm) | 170 | 174 | 178 | 182 | 186 | 190 | 192-195 | |
| Chest circumference (in cm) | 93 | 97 | 103 | 109 | 117 | 125 | 128-136 | |
| Waist circumference (in cm) | 80 | 84 | 90 | 96 | 104 | 112 | 114-122 | |
| Hip circumference (in cm) | 92 | 96 | 102 | 108 | 116 | 124 | 128-136 | |
| Men's lower clothing Helly Hansen | ||||||||
| International sizes | XXS | XS | S | M | L | XL | XXL | XXXL |
| French sizes | ||||||||
| US sizes | ||||||||
| Adult sizes (in cm) | 164-168 | 168-172 | 172-176 | 176-180 | 180-184 | 184-188 | 188-192 | 192-195 |
| Waist circumference (in cm) | 71 | 76 | 81 | 83.5 | 86 | 91 | 96 | 101 |
| Hip circumference (in cm) | 76-78 | 78-80 | 80-82 | 82-84 | 84-86 | 86-88 | 88-89.5 | 89.5-91 |
| Women's upper clothing Helly Hansen | ||||||||
| International sizes | XXS | XS | S | M | L | XL | XXL | XXXL |
| French sizes | ||||||||
| US sizes | ||||||||
| Adult sizes (in cm) | 158-162 | 162-166 | 166-170 | 170-174 | 174-178 | 178-780 | 180-185 | |
| Chest circumference (in cm) | 82-86 | 86-90 | 90-96 | 96-102 | 102-110 | 110-116 | 118-126 | |
| Waist circumference (in cm) | 66-70 | 70-74 | 74-80 | 80-86 | 86-94 | 94-102 | 102-110 | |
| Hip circumference (in cm) | 90-94 | 94-98 | 98-104 | 104-110 | 110-118 | 118-124 | 124-132 | |
| Men's shoes Helly Hansen | |||||||||||||||||||||||
| EU sizes (FR) | 39 | 39.5 | 40 | 40.5 | 41 | 41.5 | 42 | 42.5 | 43 | 43.5 | 44 | 44.5 | 45 | 45.5 | 46 | 46.5 | 47 | 47.5 | 48 | 48.5 | 49 | 49.5 | 50 |
| UK sizes | 6.5 | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 | 10 | 10.5 | 11 | 11.5 | 12.5 | |||||||||||
| US sizes | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 | 10 | 10.5 | 11 | 11.5 | 12 | 13 | |||||||||||
| Length (in cm) | 25 | 25.5 | 26 | 26.5 | 27 | 27.5 | 28 | 28.5 | 29 | 29.5 | 30 | 31 | |||||||||||
| Women's shoes Helly Hansen | |||||||||||||||||||||||
| EU sizes (FR) | 35 | 35.5 | 36 | 36.5 | 37 | 37.5 | 38 | 38.5 | 39 | 39.5 | 40 | 40.5 | 41 | 41.5 | 42 | 42.5 | 43 | ||||||
| UK sizes | 3 | 3.5 | 4 | 4.5 | 5 | 5.5 | 6 | 6.5 | 7 | 7.5 | 8 | ||||||||||||
| US sizes | 5 | 5.5 | 6 | 6.5 | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 | 10 | ||||||||||||
| Length (in cm) | 21.6 | 22 | 22.5 | 23 | 23.5 | 24 | 24.5 | 25 | 25.5 | 26 | 26.5 | ||||||||||||
