Thanks to its sneaker styling; the Nunn Bush By Florsheim Mac Moc Toe Derby has a laid-back look thats perfect for all your casual wear. Featuring breathable linings and an eco-friendly BLOOM footbed; the Mac is versatile enough to wear for a multitude of occasions. Durable leather and textile upper Breathable; fully padded mesh linings for exceptional moisture management and 360-degree padding Moulded/removable EVA with Smartscent footbed technology that absorbs the pressure of each step and helps eliminate unwanted odors Footbed created with 20% BLOOM; and algae-based product; which will return 32 liters of clean water to habitats and clean 20 cubic meters of air Our KORE technology is biomechanically designed for walking. As it propels you forward; the sole of the shoe is designed to support and cushion your every step. Lightweight EVA/rubber combine for a non-marking and durable sole with a rolling impact zone to help transition the momentum of each step for a more dynamic gait Removable footbed Airport Friendly with non-metallic shanks UK Size 13