Cold-weather conditions don't stand a chance when you're in this insulated hiking boot set atop a grippy rubber sole. 3 1/2" heel; 1 1/4" platform (size 8.5) 4 1/2" shaft Trail: provides superior stability and traction on hills, uneven surfaces and changing terrain COLD.RDY technology locks in heat, wicks away moisture and keeps air moving for essential ventilation Removable, cushioned insole allows for custom orthotics Textile and synthetic upper/textile lining/rubber sole Imported