Tingley Pilot Unisex 15 inch PVC Steel Toe CSA-Approved Puncture Resistant Black Knee Boot Shoe size:13 The fifth layer is the

The fifth layer is the anti-torsion external shank that provides added lateral stability and is perfect for shovels

Fully lined with moisture wicking performance fabric

PU Outsole

Carbon safety toe

800 grams of 3M™ Thinsulate™ Insulation

Tingley Pilot Unisex 15 inch PVC Steel Toe CSA-Approved Puncture Resistant Black Knee Boot Shoe size:13 The fifth layer is the15 Inches in height ASTM F2413 electrical hazard standard ASTM F2413 protective toe classification ASTM F2413 puncture resistant standards ASTM F3445 slip resisting Calf Relief Expansion (CRE) expands for comfort Contoured removable EVA insole CSA Green Triangle meets CSA standards for Grade 1 protective toe and has a protective plate between the outsole and midsole for puncture resistance CSA Omega Rectangle meets CSA standards for electric shock