Clothing and gloves
Measure height, chest, waist and hand size as appropriate. Compare those measurements with the size chart for the exact product and brand. Allow room for the layers you plan to wear.
Helmets and boots
Use the manufacturer’s fitting instructions for the model. A helmet should sit securely without pressure points. Ski and snowboard boots should be fitted carefully; ask for help if you are unsure.
Skis, boards and poles
Height alone is not enough. Weight, skill level, discipline and intended use all affect sizing. Follow the model’s recommended range and consult a qualified fitter about setup and adjustments.
Therm-ic size and fit guide
Therm-ic
Socks — manufacturer reference
| Size | EU | US | UK |
|---|---|---|---|
| Junior XXS | 27–30 | 10.5–13 | 9–11.5 |
| Junior XS | 31–34 | 13.5–3 | 12–1.5 |
| XS | 35–36 | 3.5–5 | 3–3.5 |
| S | 37–38 | 5.5–6 | 4–5.5 |
| M | 39–41 | 6.5–8.5 | 6–7.5 |
| L | 42–44 | 9–11 | 8–9.5 |
| XL | 45–47 | 11.5–13 | 10–12 |
Match the EU range on your product’s size option. Ranges differ by sock model; this reference is not a universal conversion for every Therm-ic sock.
Men’s gloves and mittens
Measure your middle finger from its tip to its base, and your hand from the middle fingertip to the first wrist crease. Use the guide for the correct glove or mitten model.
| Size | Middle finger (cm) | Hand length (cm) |
|---|---|---|
| 8 (S) | 7–7.5 | 17.5–18 |
| 8.5 (M) | 7.5–8 | 18–18.5 |
| 8.5 (M) | 8–8.5 | 18.5–19 |
| 9 (L) | 8.5–9 | 19–19.5 |
| 9.5 (XL) | 9–9.5 | 19–19.5 |
| 10 (XXL) | 9.5+ | 19.5+ |
Official glove and mitten guide ↗
Base layers, jackets and vests
Measure your height, chest under the arms, narrowest waist and fullest hips. Check the exact model’s fit before choosing a size. Contact us for help comparing clothing sizes.
Official base layer fitting guide ↗
Source checked: 2026-10-25