SKU: 037412 Merrell Women's Siren 4 Thermo Mid Zip Waterproof

A winter-ready boot with a women's-specific fit that combines function and all-day wear-ability.

Best for: Winter Hike

Insulation:

200 grams Primaloft® Gold Eco Series synthetic insulation. Solarcore® Aerogel insole provides underfoot superior warmth while being extremely flexible and ultra-thin.

Waterproofing: Waterproof full grain leather upper, complete with a waterproof membrane seals out water and lets moisture escape.

Traction: Vibram® Icetrek outsole designed to provide the improved grip on very cold, icy, or snowy surfaces.

Comfort Features:

• Heavy-duty, Waterproof, YKK zipper for easy on and off

• Protective and abrasion resistant rubber toe cap

• Cleansport NXT™ treated for natural odor control

• FloatPro™ Foam midsole for lightweight comfort that lasts

Materials:

• Waterproof full grain leather and knit upper

• 100% recycled laces and webbing

• 100% recycled fleece lining

• 100% recycled mesh footbed cover

• 5% recycled PU removable footbed

Additional Measurements:

• Stack Height: 28.5-20.5mm

• Drop: 8mm

• Lug: 5mm

• Half pair weight: 1lbs-3.04oz, 540g