Merrell Women's Siren 4 Thermo Mid Zip Waterproof Hiking Boot Antimicrobial Fully lined in a cozy

Fully lined in a cozy micro-fleece that quickly wicks moisture away from your skin

Recycled re-engineering

I'm green™ bio-based EVA (over 50%) which is lightweight and cushioned for shock absorption

Weight: 12

Short to mid distance trail runs in moderate off-road conditions

Merrell Women's Siren 4 Thermo Mid Zip Waterproof Hiking Boot Antimicrobial Fully lined in a cozyA winter ready boot with a women's specific fit that combines function and all day wearability. Features 200 grams Primaloft Gold Eco Series synthetic insulation Solarcore Aerogel insole provides underfoot superior warmth while being extremely flexible and ultra thin Waterproof full grain leather upper, complete with a waterproof membrane seals out water and lets moisture escape Vibram Icetrek outsole designed to provide the improved grip on very