Women's Siren 4 Thermo Mid Zip Waterproof

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• 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. Vibram traction lugs specifically designed to increase traction and shed debris with each step
• Insulation: 200 grams Primaloft® Gold Eco Series synthetic insulation. Solarcore® Aerogel insole provides underfoot superior warmth while being extremely flexible and ultra-thin.
• Heavy-duty, Waterproof, YKK zipper for easy on and off
• Bellows tongue keeps out debris
• Protective and abrasion resistant rubber toe cap
• Cleansport NXT™ treated for natural odor control
• FloatPro™ Foam midsole for lightweight comfort that lasts
• 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
• Stack Height: 28.5-20.5mm
• Drop: 8mm
• Lug: 5mm
• Shaft height (top of midsole to top of boot): 5.91in, 150mm
• Half pair weight: 1lbs-3.04oz, 540g