Polar Size Guide
Polar Storm Waterproof Boots
The Polar Storm boots are suitable for all foot types.
Simply adjust the laces across the foot and the calf.
Stick to your typical foot size.
Calf width & boot height
Measurements are the full circumference in centimetres. Measure around the widest part of your calf and compare to the chart below.
| Size | Width (cm) | Height (cm) |
|---|---|---|
| EU 36 – UK 3 | 35.0 – 39.0 | 33.0 |
| EU 37 – UK 4 | 36.0 – 40.0 | 33.5 |
| EU 38 – UK 5 | 38.0 – 42.0 | 34.0 |
| EU 39 – UK 6 | 38.0 – 42.0 | 34.0 |
| EU 40 – UK 7 | 39.0 – 43.0 | 35.0 |
| EU 41 – UK 7.5 | 40.0 – 44.0 | 35.5 |
| EU 42 – UK 8 | 40.0 – 44.0 | 35.5 |
| TipThe Polar has a true-to-size fit, with an adjustable calf for extra winter layers! | ||
Find your foot length
Measure the insole of a pair of boots that fit you perfectly, then match the length below to find your size.
| UK Size | EU Size | Foot length (cm) |
|---|---|---|
| 2.5 | 35 | 23.0 |
| 3 | 36 | 23.5 |
| 4 | 37 | 24.5 |
| 5 | 38 | 25.5 |
| 6 | 39 | 26.0 |
| 7 | 40 | 26.5 |
| 7.5 | 41 | 27.0 |
| 8 | 42 | 27.5 |
| 9 | 43 | 28.0 |
| 10 | 44 | 28.5 |
| 11 | 45 | 29.0 |
| 12 | 46 | 29.5 |
Still between sizes?
Not sure which size to order? Our fit team helps customers find the right pair every day. Send us your usual size and calf measurement and we'll point you to the best fit. Free UK delivery and returns, so you can try more than one size at home.