Merrell W Siren 4 Thermo MID ZIP SizeW5 Take on the harsh winter

Take on the harsh winter trails with ease in the Thermo Kiruna 2 Mid Waterproof boot from Merrell

100% recycled polyester ghilley webbing textile

it’s a great partner for mixed terrain

400 Gr (Misura/Size 39)

a grippier Vibram® outsole

Merrell W Siren 4 Thermo MID ZIP SizeW5 Take on the harsh winterWith 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 200 grams of added insulation for warmth and protection. Now equipped with SOLARCORE insulation, lightweight insulation material initially designed for NASA, you never have to worry about warmth. The all new medial zipper provides easy on off,