RefrigiWear 1240 – PolarForce™ Collection Hiker Footwear 。The RefrigiWear PolarForce Insulated Waterproof Black Leather Work boots in size 9 are designed for cold winter weather conditions with a comfort range of -30°F to 20°F. These lace-up boots feature 800g Thinsulate Ultra insulation, a Vibram Q765 Dual Density outsole with IceTrek for slip resistance, and a ASTM Composite S uhafety Toe for electrical hazard compliance. With a waterproof design, moisture-wicking features, and ankle and heel support, these boots are perfect for workwear in icy and snowy environments. The black leather upper and rubber toe guard add durability and style to this functional and safe footwear option. In good shape