Best shoes designed for road running and trail running

Altra Superior 4.5 (Women's)
Description
Lightweight. Fast. Grippy. Fast. Responsive. Fast. There are many words to describe the speedy Superior 4.5. The Quantic™ midsole offers a lightweight yet responsive ride for high-speed trail days. The MaxTrac™ outsole and multi-directional lug pattern brings grippy traction to any terrain. The improved upper brings better breathability and durability. And finally, the removable StoneGuard™ offers lightweight rock protection for when the trails get extra rugged.
Features
- Last type: FS2 - what is "Last"
- Weight: 7.0 oz / 198 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
Benefits
FOOTSHAPE™ TOE BOX
Allows your toes to relax and spread out naturally for more comfort and stability in uphill climbs and downhill descents.
BALANCED CUSHIONING™ PLATFORM
Places your feel and forefoot the same distance from the ground to encourage proper, low-impact form throughout your trail run.
QUANTIC
New midsole cushioning with a perfect blend of plush, responsive cushion and a lightweight ride.
GAITERTRAP™
Hook-and-loop tab allows strapless gaiter attachment that prevents debris from building up beneath the shoe.
TRAILCLAW™
Canted lugs positioned strategically beneath the metatarsals to provide traction at toe off.