Mesh upper features abrasion-resistant components Flexible upper with midfoot strap for added stability Lace-up construction Rubber on the sides for stability Nike Flex outsole for comfort and grippy traction The Nike Flex Control 4 is imported. From quick HIIT workouts to outdoor agility training, the Men's Nike Flex Control 4 Training Shoes are your go-to choice for comfort and stability while you sweat. Size: 15.0. Color: Grey. Gender: male. Age Group: adult. Nike Men's Flex Control 4 Training Shoes in Grey/Light Smoke Grey Size 15.0