Dialed-in fit for sure-footed performance. The versatile OmniTrax 3.0 Interchangeable Sole System adapts your traction to meet changing weather conditions. The Vortex 600 includes two outsoles for the best traction: SnowTrac Winter Rubber Lug and IceTrac Studded Rubber Lug with carbide studs (32 studs/pair). The 100% waterproof construction includes waterproof/ breathable bootie, waterproof leather, webbing, and stitching to keep the foot bone dry. These boots are insulated with 600g of 3M Thinsulate insulation keep your toes and feet nice and toasty during cold winter weather. These are highly durable with Protected Stitching strategically placed around the toe and heel for added abrasion resistance. The closure system features a BOA M2 lacing system for quick on/off and custom fit. The extra tall silhouette of the boot provides protection and support. Features Include:Interchangeable Sole SystemIncludes two outsoles100% waterproof constructionThinsulate insulationAvailable Sizes: 8 -14 (whole sizes only)11" heightApprox. 5lbs 9oz / pair