Made for extended winter adventures, the women's Merrell Siren 4 Thermo Mid Zip Waterproof hiking boots provide support and stability, and they have 200 g of insulation for warmth on frigid days.
- Waterproof full-grain leather and knit uppers
- Waterproof membranes seal out water and let moisture escape
- 100% recycled fleece linings
- 200 g PrimaLoft® Gold Eco Series synthetic insulation
- 100% recycled laces and webbing
- Heavy-duty, waterproof, YKK medial zippers for easy on/off
- Bellows tongues help keep out debris
- Protective and abrasion-resistant rubber heel and toe caps
- Merrell women-specific fit is uniquely engineered to cradle the distinct contours of female feet
- SOLARCORE® Aerogel insoles provide superior warmth underfoot while being extremely flexible and ultrathin
- 100% recycled mesh footbed covers
- Treated with Cleansport NXTâ„¢ for natural odor control
- 5% recycled polyurethane (PU) removable footbeds
- FloatProâ„¢ Foam midsoles provide lightweight, long-lasting comfort
- Vibram® Icetrek outsoles are designed to provide improved grip on very cold, icy or snowy surfaces
- Vibram traction lugs are specifically designed to increase traction and shed debris with each step
Imported.
View the Merrell Siren Product LineView all Merrell Women's Winter Hiking Boots| Best Use | Hiking |
|---|---|
| Footwear Height | Over-the-ankle |
| Footwear Closure | Zipper Lace-up |
| Waterproof | Yes |
| Type of Waterproofing | Merrell Dry waterproof/breathable membrane |
| Upper | Waterproof full-grain leather/knit |
| Lining | Recycled fleece |
| Insulated | Yes |
| Insulation | PrimaLoft Gold Eco Series synthetic insulation |
| Midsole | FloatPro foam |
| Outsole | Vibram Icetrek rubber |
| Weight (Pair) | 2 lbs. 6.1 oz. |
| Gender | Women's |
| Sustainability | Contains recycled materials |
Merrell Footwear - Women's
| 5 | 5.5 | 6 | 6.5 | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 | 10 | 10.5 | 11 | 11.5 | 12 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| U.S. Women's | 5 | 5.5 | 6 | 6.5 | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 | 10 | 10.5 | 11 | 11.5 | 12 |
| UK | 2.5 | 3 | 3.5 | 4 | 4.5 | 5 | 5.5 | 6 | 6.5 | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 |
| EU | 35 | 35.5 | 36 | 37 | 37.5 | 38 | 38.5 | 39 | 40 | 40.5 | 41 | 42 | 42.5 | 43 | 43.5 |