A rigid carbon fiber plate engineered for effortless speed and optimal race day performance. The 's-curve' geometry is smooth and snappy for a quicker turnover.

A semi-rigid nylon plate built for the demands of frequent training at full speed. The winged geometry is contoured for stable landings and quicker turnover. The result? Every day feels faster than the last.

PWRRUN: Plush and durable foam cushioning that puts comfort above all else. It's our go-to foam across the footwear line. PWRRUN+: Formulated for the softest underfoot feel, this foam gives you an unbelievably plush, springy, and lightweight ride.

Tacky and toothy traction specifically designed for trail surfaces. This durable material grips the ground and withstands the toughest surfaces.

Water- and wind-resistant material that helps block against the elements.

Simply put, it's the specific construction of the materials under your foot. Everything from the type and amount of superfoam, plate geometry, and heel-to-toe offset that work in harmony to move you forward effortlessly. Every shoe with SPEEDROLL provides a unique experience which is why runners often rotate these styles for racing and training. No matter which you choose, you'll love the quicker turnover, ample energy return, and addictive forward momentum.

Exceptionally bouncy and comfortable, this superfoam cushioning delivers high-performance energy return and responsiveness in an incredibly lightweight package. It's designed to go-fast.