Innovative, lightweight upper construction. The Tech 10 chassis combines advanced lightweight microfiber and impact and abrasion-resistant TPU shell. Foot shell features five different compounds in a single lightweight piece to offer strength while maintaining flexibility and structural integrity. Foot shell incorporates heel and toe protection that is highly resistant to abrasion and impact and adds to the boot’s overall durability. Foot shell also includes integrated shank for support and structural integrity. Frontal protection features a dual closure system with an internal microfiber flap, plus hook and loop fasteners for a precise fit closure beneath the buckle giving greater, micro-adjustable, precision which is convenient to operate. Soft microfiber gaiter helps seal out excessive water and dirt entry. Poly-fabric lining with 3D open cell foam incorporates anti-slip suede in heel area, keeping the foot located inside the boot.