W Saucony Endorphin Trainer

The Endorphin franchise expands with a high-tech training powerhouse. Built for runners who demand both speed and durability, the Endorphin Trainer running shoe brings race-day innovation to everyday training. At its core, a top layer of IncrediRUN superfoam—our lightest, most responsive midsole—pairs with a durable bottom PWRRUN layer to create an ultra-stable, energy-efficient platform. A ¾-length carbon fiber plate, tuned specifically for training, works with Speedroll Technology to propel you forward, ensuring smooth transitions and effortless toe-offs. The result? A shoe that harnesses cutting-edge innovation to make high-mileage weeks and everyday training feel smoother, faster, and more efficient.

• Fresh Foam X midsole foam with approximately 3% bio-based content delivers our most cushioned Fresh Foam experience for incredible comfort.
• Structured yet breathable upper
•  238 grams (8.4 oz)

Synthetic materials

We are happy to accept exchanges & returns with the receipt or proof of purchase. Please note that unworn merchandise (excluding bras & underwear) with all original packaging and tags can be returned within 30 days. We will assess products for manufacturer’s defects within 90 days of purchase. Anything beyond 90 days will not be accepted.

We are unfortunately unable to provide free return shipping labels for online purchases.