Merrell Siren 4 GTX Womens WOMENS WALKING Where is it: Mostly used

Where is it: Mostly used in the midsole (for a limited number of styles)

Foam Wave Technology

making each stride more powerful

Machine Washable

the Nano X5 is made to move with you

Merrell Siren 4 GTX Womens WOMENS WALKING Where is it: Mostly usedSpecs: 25 years of Merrell's women's specific fit. The Siren 4 is uniquely engineered to cradle the distinct contours of female feet, providing comfort, support, and stability even on the longest hikes. GORE TEX waterproof membrane, exceptional breathability and waterproof performance Breathable mesh and TPU upper 100% recycled laces and webbing Bellows tongue keeps out debris Protective and abrasion resistant rubber toe cap 100% recycled breathable