The Nunn Bush KORE Tour 2.0 Plain Toe Chukka stands out for its sleek design and casual appeal. Once you try it on you will soon realize its also remarkably comfortable thanks to its Comfort Gel footbed and KORE technology. The footbed is created with 20% BLOOM Algae, which will return 32 liters of clean water to habitats and clean 20 cubic meters of air. Sometimes you really can have it all. Durable suede leather upper. Breathable, fully padded mesh linings for exceptional moisture management and 360-degree padding. Our footbed combines molded EVA with a Memory Foam insole and Smartscent footbed technology to provide superior cushioning, all-day support, and help eliminate unwanted odors.