Merrell Women's Siren 4 Thermo Mid Waterproof - Black

With 25 years of Merrell's women's-specific fit, the Siren 4 Thermo is uniquely engineered to cradle the distinct contours of female feet, providing comfort, support, and stability even on the longest hikes with added insulation for warmth and protection. Available now at Alamo Shoes in Chicago.

• Waterproof membrane seals out water and lets moisture escape
• Waterproof full grain leather and wool upper
• Bungee lace with toggle closure for a secure fit
• 60% recycled laces
• Bellows tongue keeps out debris
• Protective and abrasion resistant rubber heel and toe cap
• 100% recycled fleece lining
• 200 grams Primaloft® Gold Eco Series synthetic insulation
• Rock plate for protection
• FloatPro™ Foam midsole for lightweight comfort that lasts
• Vibram® Icetrek outsole designed to provide the improved grip on very cold, icy, or snowy surfaces