Saucony Endorphin Speed 5 'White Mutant'

The Saucony Endorphin Speed 5 ‘White Mutant’ combines race‑ready performance with sleek, everyday style. Its crisp white engineered mesh upper blends breathability with support, while tonal overlays add subtle structure. The sculpted heel collar and padded tongue deliver a snug, secure fit that adapts to fast-paced runs and casual wear alike.

Underfoot, this trainer features full-length PWRRUN PB foam paired with a semi-rigid nylon SPEEDROLL plate—offering snappy transitions, cushioned responsiveness, and a forward-driving feel. A reconfigured outsole with extra heel protection and herringbone tread ensures traction and durability. Ideal for tempo runs, daily mileage or clean streetwear styling, the ‘White Mutant’ is a versatile pick for runners and sneaker lovers seeking next-level comfort and refined design.

• Brand Saucony
• Category Footwear
• Main color White
• Nickname White Mutant
• Silhouette Saucony Endorphin Speed 5
• Style code S21007-97
• Upper material Mesh

Shipping

All orders are shipped Monday through Friday, excluding bank holidays. Express-shipped products are shipped the next business day and typically delivered in 2-4 days. Most international orders are shipped on a Delivery Duties Paid (DDP) basis, meaning taxes and duties are included at checkout for certain countries.

Returns

We want you to love your purchase, but if you need to return an item for whatever reason, we do have a 14-day money-back guarantee. Simply return your sneakers in their original condition with both the sneaker box and an outer protective box for a full refund, no questions asked. Items bought on sale or with a promotional code are only eligible for store credit. Once we receive and inspect your return, we'll notify you by email and process your refund within 10 working days. Please note that pre-loved items are final sale and cannot be returned. If you have any questions, feel free to contact our customer support team.

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