100% waterproof construction includes waterproof, breathable bootie, waterproof leather, webbing, and stitching to keep the foot bone dry. OmniTrax 3.0 interchangeable sole system adapts your traction to meet changing weather conditions and includes two outsoles a snowtrac winter rubber lug and a icetrac. Studded rubber lug wit carbide studs 32-studs per pair. 600g of 3M thinsulate insulation for the ultimate warmth during intense winter conditions. Composite toe work boots that meet ASTM and CSA testing standards, as well as Lenzi puncture resistant construction which protects the foot from sharp objects such as nails and glass. Oil and acid resistant non-marking rubber traction outsoles. Snowtrac plain rubber outsole is ESR certified. 360 degree rand provides superior support and protection without sacrificing flexibility. Low profile Boa speed lace system for quick on, off while all gloved up. Material: Leather.