Under Armour Unisex-Child Youth Training Cotton Crew Socks 6 Pack, (100) White/White/Black, Medium

["SIZES: X-Small: Y 10.5K - 13K, Small: Y 13.5K - 4.5, Medium: Y 4.5 - 7","Lightweight, soft cotton-blend fabric for all-day comfort","Material wicks sweat & dries really fast","Locked-in fit design keeps sock securely on heel for an adjustment free fit that won't fall down","Medium cushioning placed strategically throughout foot protects high-impact areas without added bulk","Mesh panels on top of foot for added breathability","Built-in arch support helps reduce foot fatigue"]