




Winter shoes - Women -
The Siren 4 Thermo Mid Wp Black is a women's hiking shoe from the brand Merrell.
This shoe is ideal for the coldest of hikes. Thanks to its waterproof membrane, you won't get your feet wet. In addition, the synthetic insulation PrimaLoft® Gold Eco promises extra warmth even on the coldest days. The gusseted tongue and the haute full-grain leather and wool upper ensure that no external elements will disturb you when you step into the shoe.
The foam midsole FloatPro™ provides excellent stability and comfort. In addition, with the outsole Vibram® Icetrek and the 5mm studs, you will have a perfect grip even on snow or ice.
Finally, the Siren 4 Thermo Mid Wpthis is the only way to ensure that you are comfortable all day long in any weather!


- The waterproof membrane prevents water from entering the shoe while wicking away moisture
- Waterproof full grain leather and wool uppers
- Elastic laces with a sliding closure for a secure fit
- 60% recycled laces
- Bellows tongue keeps out debris
- Rubber toe and heel reinforcement for added durability and protection
- 100% recycled fleece lining
- Synthetic insulation PrimaLoft® Gold Eco Series 200 g
- Protection plate
- Foam midsole FloatPro™ for a light and durable stride
- Outsole Vibram® Icetrek designed to provide better grip on very cold, icy or snowy surfaces
- Lugs: 5mm
- Weight: 990g
Technologies :
- Outsole Vibram® : Rubber mix Vibram® specially designed for winter use in low temperatures.
- PrimaLoft® Gold Eco : PrimaLoft® is a patented microfibre that retains body heat and therefore saves energy. The ultrafine microfibres are designed to be water-resistant, so that the filling stays dry for longer and retains its insulating properties. This synthetic insulation offers very good breathability, making it ideal for intense activity. Gold Insulation Eco's performance is modelled on the exceptional synthetic insulating power of PrimaLoft® while using 55% recycled polyester fibres.