Merrell Women’s Siren 4 Thermo Mid Zip 200g Waterproof Hiking Boots

Design:Waterproof membrane seals out water and lets moisture escape200 grams Primaloft® Gold Eco Series synthetic insulationWaterproof full grain leather and knit upper100% recycled laces and webbingHeavy-duty, Waterproof, YKK medial zipper for easy on and offBellows tongue comfortably protects the foot from debrisProtective and abrasion resistant rubber heel and toe capIn-Shoe Comfort:FloatPro™ Foam midsole for lightweight comfort that lasts100% recycled fleece lining for added comfort and warmthFlexible, ultra-thin SOLARCORE® Aerogel insole provides underfoot warmth100% recycled mesh footbed cover5% recycled removable PU footbedDurability & Traction:Vibram® Icetrek outsole designed to provide the improved grip on very cold, icy, or snowy surfacesVibram® traction lugs increase traction and shed debris Additional Details:Cleansport NXT™ treated for natural odor controlWeight (half pair): 1lbs-3.04oz, 540gStack Height: 28.5-20.5mmDrop: 8mmLug: 5mm