Merrell Siren 4 Thermo Chelsea J037420 Wos Size:9 your athletic ability

your athletic ability

Zipper and lacing guarantee the perfect fit

so you can enjoy the perfect feel-good moment every step of the way

Meet the coziest glove-and fan favourite-the Colwood

One front zipper pocket

Merrell Siren 4 Thermo Chelsea J037420 Wos Size:9 your athletic abilityWith 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. Merrell waterproofing on the upper will keep