| RefrigiWear Ice Logger™ Boot | Waterproof | Tan | Ragg Wool/Leather | 6.5. RefrigiWear Boots | Comfort Rating: -15°F to 35°FVibram® New Bifida with IceTrek® outsoleASTM composite safety toe Great for construction, DIY projects, dock/receiving employees, and much more, Ice Logger™ leather work boots not only keep you safe with a Vibram® electrical hazard compliant, non-slip outsole and ASTM composite safety toe, they also keep you comfortable with the exclusive RefrigiWear® VitaComfort® system. Fight foot fatigue and injury and get the job done with the Ice Logger™... - RefrigiWear Ice Logger™ Boot | Waterproof | Tan | Ragg Wool/Leather | 6.5. |