Men's Nunn Bush Kore Swift Knit Moc Toe Sneakers Designed for movement and comfort, this lace-up sneaker blends breathable materials with supportive performance technology. The knit and man-made upper delivers a lightweight feel, while an unlined interior promotes airflow. Dual Comfort cushioning paired with KORE walking technology supports natural motion throughout the day. A slip-resistant rubber sole completes the design with dependable traction.