STYLE 915605 Deep cold. Serious safety. Concerns for withstanding harsh environments only amplify the colder it gets, and when conditions dip below the way-freezing mark you need unrivaled dependability. Designed in Canada, Winter Work Boots from TERRA Footwear stand up to the test of extreme cold with built-in worker advantages like multi-layer lining, conduction-free composites and waterproofing that's cold weather resistant Sole Material: Rubber Toe Type: Composite Upper: Leather Lining: -60C/-76F comfort rated inner boot system Other Features: Direct injected cold formula PU shell bottom whith cross beam, sidewall details and doffing assist heel prong, hi traction rubber outsole with diamond cleat design, full grain waterproof leather upper, itegrated pull tab and 3MTM refective piping, channelled metal free eyelets (two top locking), removable 4 layer liner with injected heel glide and integrated TPU back strap pull port, treated with cleanfeet odour fighting technology, temperature rating -60C / -76F, moisture capture frost plug, ergonomic low profile composite toe cap, composite plate, Terra Firma-Flex Metal Free CSA Green Triangle,ESR rated and electric hazard protection