Designed for colder conditions, the Siren 4 Thermo Lace WP delivers warmth, waterproof protection, and a women’s-specific fit. Featuring Primaloft® insulation, faux fur lining, and Vibram® Icetrek traction, it’s built to handle snowy sidewalks and chilly trail days. Lightweight FloatPro™ foam adds lasting comfort without the bulk of traditional winter boots.
Design:
- Waterproof membrane seals out water and lets moisture escape
- Waterproof coated leather upper
- Waterproof pig suede leather upper
- Medial zipper for easy on and off
- 100% recycled laces
- Bellows tongue keeps out debris
- TPU waterproof shell for additional protection
- Faux fur lining
- 200 grams PrimaLoft® Gold Eco Series synthetic insulation
In-Shoe Comfort:
- FLOATPRO FOAM™ footbed for enhanced cushioning and energy return
- 100% recycled mesh footbed cover
- FloatPro™ foam midsole with exceptional energy return and enduring comfort.
Durability & Traction:
- Vibram® Icetrek outsole designed to provide the improved grip on very cold, icy, or snowy surfaces
