MK-1 ULTRA STRUCTURAL FIREFIGHTING GLOVE MODEL # 7877K CERTIFIED COMPLIANT TO NFPA 1971, 2018 Edition Kangaroo Skin Version of MK-1 with enhanced Strength, Durability and Suppleness of this Legendary Naturally Water-Resistant Leather. Kangaroo Skin is ounce for ounce the most durable leather with 10 times the tensile strength of cowhide. Sizes: (See Sizing Instructions & Diagraph Below) 64N, 70N, 70W, 76N, 76W, 82N, 82W PROTECTION Unprecedented 5 layers of 100% Kevlar knit for Premium Thermal, Cut & Puncture Resistance Cowhide reinforced back shell for long term Radiant Heat Resistance NFPA 1971 Compliant Moisture Barrier blocks Chemicals and Bloodborne Pathogens PERFORMANCE Multi-layer Kevlar Knit with Kangaroo Skin palm and back of thumb provides Outstanding Flexibility, Grip and Dexterity Unique Sculpted Fingertip Design Provides Highest Level Tactility Intricate Sewing Construction for Highly Functional Tailored Fit Sewn Down Palm Layers for more Efficient Grip DURABILITY Premium Leather and 100% Kevlar for Rugged Construction Reinforced Thumb Crotch Protects High Wear Area Inner Liner Sewn and Bonded at the fingertips