Colour: Multicolour Upper Material: 100 % Cow Leather Inner Material: 50 % Cow Leather 27 % Recycled polyester 23 % Pig leather Sole Material: 80 % Rubber, 20 % Recycled Rubber. CAMPER - Multicolor calfskin nautical shoes for kids with removable EVA footbeds and rubber outsoles (20% recycled). Born in 1988, our classic TWINS concept — opposite yet complementary - challenges the idea that shoes must be identical and lives on in these mismatched kids´ shoes to form a truly unique pair.