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.
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Sizing Guide: Men's
Please see this guide to get the correct sizing for your footwear. You may visit an Altra Zero Drop Footwear dealer near you to try on a pair to find the correct size.
The Instinct runs slightly short in size. If you are between sizes please go up ½ size larger than your regular size.
Conquer the gnarly terrain with our TrailClaw outsole technology. Our trail shoes feature canted lugs positioned beneath the metatarsals to provide traction where your foot needs it most. Each lug is strategically placed to ensure fast uphill climbs, stable descents and superior traction across muddy trails.