Women's Merrell Siren 4 Thermo Mid Zip Waterproof Boot Color:DIORITE Topically applied PFC-free/PFAS-Free water repellency

Topically applied PFC-free/PFAS-Free water repellency treatment

Trail tested

Slip yours on to inject an athleisure edge into multiple looks

then step outside to see the Earth

Women's Merrell Siren 4 Thermo Mid Zip Waterproof Boot Color:DIORITE Topically applied PFC-free/PFAS-Free water repellencyMADE FOR: Winter Hike TRAIL TYPE: Moderate A winter ready boot with a women's specific fit that combines function and all day wearability. INSULATION RATING: Warmer Waterproof exteriors and 200 grams of insulation will keep you dry and warm for your typical cold weather winter activities. 200G Synthetic Insulation Waterproof Vibram Icetrek 200 grams Primaloft Gold Eco Series synthetic insulation Solarcore Aerogel insole provides underfoot superior