New Balance 57/40 Big Kid 'Castlerock Moonbeam'

The New Balance 57/40 Big Kid “Castlerock Moonbeam” (GC5740RT) brings a modern, layered take on classic New Balance running heritage in a youth-sized design. Built with a mix of Castlerock and Moonbeam tones, the sneaker delivers a balanced neutral palette that feels both sporty and easy to style.

The upper combines mesh and suede materials, creating a textured, dimensional look that reflects the 57/40’s retro-futuristic design language. Oversized “N” branding on the side panels reinforces the bold identity of the silhouette, while tonal accents help keep the overall aesthetic clean and cohesive.

A sculpted midsole provides cushioned support for everyday comfort, blending vintage inspiration with updated proportions. The outsole is designed for durability and traction, making it suitable for active daily wear in a big kid sizing format.

The New Balance 57/40 “Castlerock Moonbeam” (GC5740RT) offers a versatile mix of comfort, style, and modern-retro design, tailored for younger sneaker wearers.