What do you get when you improve on the already adventurous Superior? A lightweight, lightning-fast shoe you can trust on any trail. This certified speed-seeker is trail-ready with a MaxTrac™ sticky rubber outsole, the lightweight and responsive Quantic™ midsole, and the improved upper that’s more locked-in and durable. Throw in improved breathability, better drainage, and a removable StoneGuard™, and the Superior 4.5 is ready to blaze trail like never before.
- Technical Fast Trail
- Speed Work
- Lightweight Cushioning
- Quantic midsole material for great underfoot comfort
- "Borrito" tongue wrap construction for a secured midfoot lockdown fit.
- Designed for the runner who is looking for a fast, responsive shoe for training or racing.
Altra Superior 4.5
- Weight: 8.9 oz / 252 g
- Insole: 6 mm Contour Footbed with removable StoneGuard™
- Midsole: Quantic™ with InnerFlex™
- Outsole: MaxTrac™ Rubber with TrailClaw™
- Cushion: Low
- Stack Height: 21 mm
- Upper: Seamless wrap-around engineered knit