Effortless warmth meets winter-ready performance in the Siren 4 Thermo Pull On. Designed with Primaloft® insulation, faux fur lining, and Vibram® Icetrek traction, it keeps feet cozy and secure in snowy, slushy conditions. The waterproof shell and easy-on design make it the perfect grab-and-go boot for cold commutes and casual trail days.
- 200 g PrimaLoft® Gold Eco Series synthetic insulation
- Waterproof membrane seals out water and lets moisture escape
- Vibram® Icetrek outsole designed to provide improved grip on very cold, icy, or snowy surfaces
- FloatPro™ foam footbed and midsole for enhanced cushioning, enduring comfort, and exceptional energy return
- Waterproof coated leather and waterproof pig suede leather upper
- Medial zipper for easy on and off
- TPU waterproof shell for additional protection
- Faux fur lining
- 100% recycled mesh footbed cover
- Drop: 8 mm
- Lug: 5 mm
- Shaft height (top of midsole to top of boot): 5 in.
- Half pair weight: 360 g (12.70 oz.)