Nike Air Max 1 SP Concepts Mellow

All products sold on Marsden Sneakers are guaranteed to be new and authentic. Every item sold on our website undergoes a thorough authentication and quality check before being dispatched. They are then delivered to you in their original box with all accessories and extras.

We do not condone the sale of fake or counterfeit goods and can ensure when you buy from Marsden Sneakers that your items will always be 100% authentic and genuine.

We make sure to only source our products from trusted boutiques & individuals to provide a seamless shopping experience for our customers. If you have any questions regarding the authentication process, or any other information, you can email us at info@marsdensneakers.co.uk.

For additional help regarding authenticity, please see our FAQ/Help section.

All orders placed from December 1st 2024 to December 24th 2024 will be valid for our extended return & exchange policy, where you will have until January 6th 2025 to exchange your order for a different size or model. To be eligible for a return, the item must be in the same condition you received it, unworn or unused, with tags, and in its original packaging.

For more information regarding delivery & returns, please click here.

Full Size Charts can be found here.

• TD: Toddler, Infant's Sizing
• PS: Pre-School, Children's Sizing
• GS: Grade-School, Older Children's Sizing

If you have any questions regarding the size of a particular product, or if you need help deciding on the size that will fit you best, email us at info@marsdensneakers.co.uk.