Tech 10 Ember LE Boots - Red/Black - US 11Innovative, lightweight upper construction, Tech 10 chassis combines advanced lightweight microfiber and impact and abrasion-resistant Thermoplastic Polyurethane (TPU) shell, 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 op