Get ready for rugged trails and cold weather adventures wearing the Merrel® Siren 4 Thermo Mid Zip Waterproof Boots. These are crafted from a waterproof membrane that seals out water and lets moisture escape easily. The round-toe design offers a secure fit.Waterproof full-grain leather and knit upper.SOLARCORE® Aerogel insole provides underfoot superior warmth while being extremely flexible and ultra-thin.Calf-length construction.Bellows tongue keeps out debris.Cleansport NXT™ treated for natural odor control.Recycled mesh footbed cover.Recycled removable PU footbed.FloatPro™ Foam midsole for lightweight comfort that lasts.Protective and abrasion-resistant rubber heel and toe cap.Vibram® Icetrek outsole is designed to provide an improved grip on very cold, icy, or snowy surfaces.Vibram® traction lugs specifically designed to increase traction and shed debris with each step.Imported.Product measurements were taken using size 9, width M. Please note that measurements may vary by size.Measurements:
