The Altra Superior 4.0 trail-running shoes take an already light, fast shoe and make it even lighter. Conquer any route with spacious toe boxes, sticky rubber soles and removable rock plates.
Stack height: 21mm
Outsole: MaxTrac™ Rubber with TrailClaw™
The Superior 4 takes an already lightweight, fast trail shoe and makes it even lighter.
The upper has been completely redesigned in a wrap-around style for added security and support; the midsole features Altra’s proprietary Quantic™ foam, while the outsole is now made of our sticky MaxTrac™ rubber.
To top it off, the rounded heel and improved lug pattern is made to fly down the trail with ease and speed.
Places your heel and forefoot the same distance from the ground to encourage proper, low-impact form throughout your trail run.
Allows your toes to relax and spread out naturally for more comfort and stability in uphill climbs and downhill descents.
Hook-and-loop tab allows strapless gaiter attachment that prevents debris from building up beneath the shoe.
Canted lugs positioned strategically beneath the metatarsals to provide traction at toe off.
"I think that Altra has created something that has been neglected in the market; a true minimalist shoe that is great for hiking, shorter trail runs, and even speedwork. The Superior 4 is 8.7 ounces of lively and supple trail shoe for fleet-footed runners seeking a minimalist feel with good protection." iRunFar.com, 2019
"IThe Altra Superior 4.0 is exactly as advertised: a lightweight trail shoe that performs well in a variety of trail conditions." runningshoesguru.com, 2019
In terms of sizing, we find that all the Altra models run a bit small. Our best recommendation is to order at least a half size up from your conventional running shoes. For example, if you normally wear a US size 9 running shoe, you'll want to go with at least a US size 9.5 in Altra shoe