The Ice Logger™ composite toe work boot has 400g Thinsulate™ Ultra insulation, waterproof leather upper, and a Vibram® New Bifida outsole with IceTrek®.Ice Logger™ Leather Boot 132C Features & Specifications400 g Thinsulate™ Ultra insulation5” nubuck leather upperWaterproofElectrical shock ratedComposite toeCSA Certified ToeVibram® New Bifida outsole with IceTrek®400g Thinsulate® insulation5” Nubuck leather upperVibram® New Bifida with IceTrek® outsoleASTM composite safety toeWaterproofVitaComfort® anti-fatigue and gravity-fed moisture management systemElectrical hazard compliant2 Speed laces at top