military boots Descriptionmaterial of upper: full cow grain leather, cow split leather and so on material of lining: full cow grain leather, cow split leather, mesh and so on Sole: Rubber, PU, TPR and so on Insole: full cow grain leather, cow split leather, pig leather, artificial leather and so on Shoelace: colour: as picture (we can make as your requests) size: 38 48 (we can make as your requests)productive technology: goodyear Structure, injection molding, cold bonding, molding press and so on. basic functionsteel toe-cap: protects the fore part of the foot against mechanic impacts up to 200J; against crushing with a static compression strength up to 15KN. skid resistance: designed to use in wet and slippery ground, oil, fine dust and so on. Abrasion resistance: top quality rubber sole, Relatively lost volume, 250mmc maximum Exterior sole: from polyurethane, (PU) softer (density 0.5), in order to increase the comfort. Water proof: use in a variety of water-ground ways additional functionpuncture resistance: punching strength up to 1100N. Insulation: safety for electrician Electric resistance for the antistatic sole: between 100k and 1000M Cold isolation (fleece/warm cotton): the inner sole internal face temperature can drop with 10 degrees C maximum after 30 minutes exposure at -20 degrees C. Oil resistant: use in a variety of oil ground ways acid-alkali resistance: use in a variety of corrosive ways Heat resistant: use in a variety of hot environment ways Hydrolysis: 6mm maximum after 150.000 flection cycles Hydrocarbure resistance: volume fluctuation after 24 hours immersion in mineral oil must be under 12% Impact resistance: 200J Tear resistance: Minimum tearing force for the leather is 120N Packing info1 pair/box, 12pairs/carton, size of carton: 68x66x32CM, G.W.:18.0KGS N.W.:15KGS (we can do packing as your requests.)suiting caseShoes are designed to use in a variety of industrial environment and military ways: Military activity, iron and steel, electrical energy, oil field, Mining Lands, building land, machinery, and so on.