Siren 4 Thermo Mid Zip Waterproof WMNS "Black" J037410Z Size:12.5W Most of the upper's material

Most of the upper's material comes together in a tightly woven basket weave while the lacestays and heel are layered in solid suede

This iteration features a premium landscape of waterproof

effortlessly channeling AMIRIs signature rock and roll luxury style

breathable mesh upper in black and red

adjustable leather shoulder strap for versatile carrying options

Siren 4 Thermo Mid Zip Waterproof WMNS "Black" J037410Z Size:12.5W Most of the upper's materialConquer the winter elements in premium style with the Merrell Siren 4 Thermo Mid Zip Waterproof. Engineered with a women's specific fit, this high performance winter boot features a rugged black full grain leather upper accented by cozy knit details. A waterproof membrane seals out moisture while 200 grams of Primaloft Gold Eco insulation and a NASA inspired Solarcore Aerogel insole trap heat. Finished with a heavy duty YKK medial zipper for easy