Emerica - Leen (White/Black/Gum) - Men's: Synthetic, suede and action leather upper. Mesh tongue for ventilation. Triple-stitched leather toe tip. Leather bottom lace flap for protection. Double-padded tongue and interior. Elastic tongue-centering straps. Full-length polyurethane midsole with air bag. STI Foam(tm) Level 1 footbed cushioning system. Soft stitched natural gum rubber outsole. Flex grooves on outsole for increased grip.