Walmart offers Spalding Boys Athletic Cushion No Show Socks, 12-Pack, Size M for $5 (orig. $9.48).  Free shipping with Walmart+ or on orders over $35.

Product Description:
Built for comfort, this bundle of two 6 pack Spalding no show sport socks will become your child’s best friend! These socks are made with durable material to help withstand everyday wear and tear. They also feature cool designs that will add a splash of fun to any outfit.

• Bundle of two 6 Pack Spalding No Show Sport Socks for Boys
• Features cool designs that wil add a splash of fun to any outfit
• Heel Protecting Tab provides anti-slip protection
• Arch Support for a supportive fit
• Cushioned Sole for superior comfort
• Shoe Size M (7.5-3.5)