Men's Nunn Bush Kore Swift MT BAI The Men’s Nunn Bush Kore Swift MT BAI Shoes blend athletic-inspired design with dress-casual versatility for the modern man on the move. Featuring a rich leather upper with detailed stitching, these lace-up sneakers deliver a polished yet relaxed look perfect for both workdays and weekends. The Comfort Gel footbed and Kore technology provide exceptional cushioning and support, while the lightweight EVA midsole and slip-resistant rubber outsole keep every step steady and smooth.