Merrell Siren 4 Thermo Mid Zip Waterproof Boot

• 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 Arctic Grip All Terrain outsole is designed to effectively extend the winter traction season, due to its enhanced durability and versatility.

Comfort Features:

• Heavy-duty, Waterproof, YKK zipper for easy on and off
• Protective and abrasion-resistant rubber toe cap
• Cleansport NXT treated for natural odour 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