| Body Size Average** height 168 cm (5'6) | 32 | 34 | 36 | 38 | 40 | 42 | 44 | 46 | 48 |
|---|---|---|---|---|---|---|---|---|---|
| Chest (1) | 30 | 31 | 33 | 34 | 36 | 38 | 39 | 41 | 42 |
| Waist (2) | 23 | 25 | 27 | 28 | 30 | 31 | 33 | 34 | 36 |
| Seat (3) | 33 | 34 | 36 | 38 | 39 | 41 | 42 | 44 | 45 |
| Inseam raw length short/regular (4) | 31/34 | 33/35 | 33/35 | 34/36 | 35/36 | 34/36 | 35/37 | 35/37 | 36/38 |
| Inseam fixed length short/regular (4) | 29/31 | 29/31 | 30/32 | 30/32 | 30/33 | 31/33 | 31/33 | 32/34 | 32/34 |
| Fjällräven / US Letter Size | XXS | XS | S | M | L | XL |
| Body Size Average** height 180 cm (5'10) | 40 | 42 | 44 | 46 | 48 | 50 | 52 | 54 | 56 | 58 | 60 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Chest (1) | 31 | 33 | 34 | 36 | 38 | 39 | 41 | 42 | 44 | 45 | 47 |
| Waist (2) | 27 | 28 | 30 | 31 | 33 | 34 | 36 | 38 | 39 | 41 | 42 |
| Seat (3) | 34 | 36 | 38 | 39 | 41 | 42 | 44 | 45 | 47 | 49 | 50 |
| Inseam raw length regular/long (4) | 34/36 | 35/37 | 35/37 | 36/38 | 36/38 | 36/38 | 94/99 | 37/39 | 38/40 | 38/40 | 38/40 |
| Inseam fixed length regular/long (4) | 30 | 31/32 | 31/33 | 31/33 | 32/34 | 32/34 | 32/34 | 33/35 | 33/35 | 34/36 | 34/36 |
| Head Measurement (5) | XS (21) | S (21) | M (22) | L (23) | XL (24) | XXL (25) |
| Fjällräven / US Letter Size | XXS | XS | S | M | L | XL | XXL | XXXL |
| Body Size / Length (cm) children | 104 | 110 | 116 | 122 | 128 | 134 | 140 | 146 | 152 | 158 |
|---|---|---|---|---|---|---|---|---|---|---|
| Approximate age | 3-4 | 4-5 | 5-6 | 6-7 | 7-8 | 8-9 | 9-10 | 10-11 | 11-12 | 12-13 |
| Chest (1) | 21 | 23 | 24 | 25 | 26 | 27 | 29 | 30 | 31 | 32 |
| Waist (2) | 21 | 22 | 23 | 23 | 24 | 25 | 26 | 27 | 27 | 28 |
| Seat (3) | 23 | 24 | 25 | 26 | 26 | 27 | 30 | 31 | 32 | 33 |
| Inseam (4) | 17 | 18 | 19 | 21 | 22 | 24 | 25 | 26 | 28 | 29 |