Merrell - Siren 4 Thermo Mid Zip Waterproof - Black Size:7.5 High-rebound recycled-content EVA midsole absorbs

High-rebound recycled-content EVA midsole absorbs shock

The shootie is padded with a signature insole

and removable wool insoles

the Fresh Foam X 860v13

Merrell - Siren 4 Thermo Mid Zip Waterproof - Black Size:7.5 High-rebound recycled-content EVA midsole absorbsStyle #: J037410Z 200 grams Primaloft Gold Eco Series synthetic insulation Solarcore Aerogel insole provides underfoot superior warmth while being extremely flexible and ultra thin Waterproof full grain leather upper, complete with a waterproof membrane seals out water and lets moisture escape Vibram Icetrek outsole designed to provide the improved grip on very cold, icy, or snowy surfaces Heavy duty, Waterproof, YKK zipper for easy on and off