Machine Wash Sole material Rubber Outer material Leather Closure type Lace-Up About this item • Flyknit constructed upper delivers zoned stretch and support. • Dual-density midsole and tri-star outsole provide flexible cushioning. • Dynamic heel is stretchy for a snug, adaptive fit. • Flywire technology woven into the upper integrates with the laces for a dynamic, supportive fit through the midfoot. • Texture has been added under the toe and heel to enhance traction in these high-abrasion zones.