Buy Nike Challenger OG 。Brand: Nike. Model: Nike mens low top athletic running sneakers. Style code: CW7645-100. Color: White and cream upper with red Nike Swoosh logos and light gray suede overlays. Gender/Department: Mens. Size: Mens US size 9, UK size 8, EU size 42.5. Fit: Standard width athletic fit intended for everyday wear and light running. Type: Athletic sneakers suitable for running, jogging, and casual wear. Upper material: Combination suede and textile construction with mesh toe box panels for breathability. Lining: Soft textile lining with lightly padded collar for comfort around the ankle. Insole: Cushioned foam insole designed to provide underfoot comfort and impact absorption. Midsole: White foam midsole offering lightweight cushioning and support. Outsole: Black rubber waffle outsole with square traction lugs for grip on varied surfaces. Closure: Traditional lace-up design with multiple eyelets for adjustable lockdown.