Xero Shoes Kelso, a minimalist, "barefoot" style court shoe. This model features a classic athletic aesthetic combined with functional minimalist design elements intended for natural movement Minimalist Design: Features a wider, foot-shaped toe box to allow toes to spread naturally and a "zero-drop" (non-elevated) heel for proper posture. Construction: Built with a full-grain leather upper and stitched soft suede accent panels. Sole: Equipped with a flexible 6.0mm FeelTrue® rubber sole featuring a herringbone tread pattern for ground-gripping traction and feedback. Breathability: Includes patterned pinhole vents and a moisture-wicking mesh lining to help keep feet cool