size
Size Guide
Hiking, trail & outdoor footwear and apparel — US / UK / EU / CM.
Men’s Hiking & Trail Footwear
| US | UK | EU | JP (cm) |
|---|---|---|---|
| 7 | 6 | 40 | 25 |
| 7.5 | 6.5 | 40.5 | 25.5 |
| 8 | 7 | 41 | 26 |
| 8.5 | 7.5 | 42 | 26.5 |
| 9 | 8 | 42.5 | 27 |
| 9.5 | 8.5 | 43 | 27.5 |
| 10 | 9 | 44 | 28 |
| 10.5 | 9.5 | 44.5 | 28.5 |
| 11 | 10 | 45 | 29 |
| 11.5 | 10.5 | 46 | 29.5 |
| 12 | 11 | 46.5 | 30 |
| 13 | 12 | 48 | 31 |
| 14 | 13 | 49 | 32 |
Women’s Hiking & Trail Footwear
| US | UK | EU | JP (cm) |
|---|---|---|---|
| 5 | 2.5 | 35 | 22 |
| 5.5 | 3 | 35.5 | 22.5 |
| 6 | 3.5 | 36 | 23 |
| 6.5 | 4 | 37 | 23.5 |
| 7 | 4.5 | 37.5 | 24 |
| 7.5 | 5 | 38 | 24.5 |
| 8 | 5.5 | 38.5 | 25 |
| 8.5 | 6 | 39 | 25.5 |
| 9 | 6.5 | 40 | 26 |
| 9.5 | 7 | 40.5 | 26.5 |
| 10 | 7.5 | 41 | 27 |
| 10.5 | 8 | 42 | 27.5 |
| 11 | 8.5 | 42.5 | 28 |
Unisex Footwear Conversion
| Unisex / Men’s US | Women’s US | UK | EU | CM |
|---|---|---|---|---|
| 6 | 7.5 | 5.5 | 39 | 24 |
| 7 | 8.5 | 6.5 | 40 | 25 |
| 8 | 9.5 | 7.5 | 41 | 26 |
| 9 | 10.5 | 8.5 | 42.5 | 27 |
| 10 | 11.5 | 9.5 | 44 | 28 |
| 11 | 12.5 | 10.5 | 45 | 29 |
| 12 | 13.5 | 11.5 | 46.5 | 30 |
Unisex styles follow men’s sizing. Women usually choose 1.5 sizes smaller than their regular US women’s size.
Men’s Apparel
| Size | Chest | Waist | Inseam |
|---|---|---|---|
| S | 36–38 in / 91–96 cm | 28–30 in / 71–76 cm | 31 in / 79 cm |
| M | 39–41 in / 99–104 cm | 31–33 in / 79–84 cm | 32 in / 81 cm |
| L | 42–44 in / 107–112 cm | 34–36 in / 86–91 cm | 32.5 in / 83 cm |
| XL | 45–47 in / 114–119 cm | 38–40 in / 96–102 cm | 33 in / 84 cm |
| XXL | 48–51 in / 122–130 cm | 41–43 in / 104–109 cm | 33.5 in / 85 cm |
Women’s Apparel
| Size | Bust | Waist | Hip |
|---|---|---|---|
| XS | 32–33 in / 81–84 cm | 25–26 in / 64–66 cm | 34–35 in / 86–89 cm |
| S | 34–35 in / 86–89 cm | 27–28 in / 69–71 cm | 36–37 in / 91–94 cm |
| M | 36–37 in / 91–94 cm | 29–30 in / 74–76 cm | 38–39 in / 96–99 cm |
| L | 38–40 in / 96–102 cm | 31–33 in / 79–84 cm | 40–42 in / 102–107 cm |
| XL | 41–43 in / 104–109 cm | 37–39 in / 94–99 cm | 43–45 in / 109–114 cm |
How to measure
- Chest: measure around the fullest part, arms relaxed.
- Waist: measure at the natural waistline.
- Hip: measure around the fullest part of the hips.
- Inseam: measure from crotch to ankle bone.
- For hiking socks/insoles, consider half a size up in footwear.
Siren 4 Thermo Mid Zip Waterproof
Diorite
/
5
Regular price
$57
Regular price
$190
Sale price
$57
Unit price
per
Siren 4 Thermo Mid Zip Waterproof
Diorite
/
5
Regular price
$57
Regular price
$190
Sale price
$57
Unit price
per
-
Description
Made For: Winter hikes
Built for women who refuse to wait for perfect weather. These waterproof hiking boots are engineered with a female-focused fit and Vibram® Icetrek traction that conquers the coldest terrain. Premium leather construction meets cozy knit details—because technical performance doesn't mean sacrificing style.