Boys Clarks Hook & Loop Casual Ankle Boots Rex Park. Brand: Clarks. Fastening: Hook & Loop. Colour: Navy Leather. Sole Material: Rubber. Powered by innovative technologies like Contoured Comfort and Cushion Plus, our shoes provide support where it’s needed most. Offering supreme softness and lasting comfort, Cushion Soft’s high-rebound foam inlay is cleverly concealed inside the shoe to absorb the impact of every step. Lightweight sole provides cushioning and flexibility. Move in Comfort.