Durable, responsibly sourced leather with an antibacterial lining and interior zip for easy on/off. Features a flex-grooved rubber outsole and a part-recycled PU foam footbed. Crafted from durable leather, with an easy rip-tape strap and super-soft foam footbeds, the Clarks Relda Spark K are perfect for busy little learners with lots to do. Help them make the most of every moment with the style’s flex-grooved, non-marking grippy sole that bends with natural foot motion. Uppers: Leather, Lining: Synthetic, Sole: Rubber, Fitting: E (Narrow), F (Standard), G (wide), Fastening: Rip Tape, Removable Insoles: No, Other: Microban odour control lining.