The 509 is one of those silhouettes that New Balance had in its catalog in the early 2000s and that went completely unnoticed at the time. Its mix of technical mesh, streamlined overlays, and those curved lines running along the side of the midsole perfectly captures the design language of that era. The brand has brought it back in recent years, including through high-profile collaborations, and Thunder Brown is its warmest version.
The silhouette retains its original shape: a predominantly mesh upper with contrasting technical panels and those curves drawn across the midsole that give it visual movement. In Thunder Brown, brown covers most of the upper, while dark details define the structure in a deliberately understated style.
It is one of New Balance’s silhouettes offering the best balance of comfort and exclusivity. At Next Step, you get it 100% brand new and authentic, with 14 calendar days for returns from receipt and fast shipping to Spain and across Europe.
Brown pairs well with ecru, beige, olive green, and dark denim. It is a medium-volume dad shoe, so it works well with wide-leg or straight-leg trousers. Discover more styles in our New Balance collection at Next Step.
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The delivery time depends on product availability:
• With immediate shipping: 24-48 hours from warehouse dispatch.
• Pre-order: Approximately 1-10 business days.
All products available on our website and in stores are new and 100% authentic. Our team carefully checks each item before shipping to ensure its authenticity and perfect condition.
You have 14 calendar days from the receipt of the order to request returns or exchanges. You can process it through our website. Refunds are processed once the products arrive at our central warehouses and meet the return conditions.
On each product page, you will find a detailed size guide. If you are unsure, contact our customer service for personalized advice.
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