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The Altra Superior is the embodiment of high-performance minimalist trail running. This lightweight trail shoe offers a zero drop platform and a foot-shaped last to allow for a more natural stride. A rugged outsole inspires confidence on a variety of trail surfaces, while a removable rock plate beneath the sockliner offers protection when you need it, so you can focus on the trail ahead.
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Weight: 10.3 oz (size 9), including removable rock plate
Stack Height: Heel (12mm), Forefoot (12mm), without removable rock plate
Available Widths: D=Medium
How it fits (based on width D)
- Sizing: Fits small; purchase 1/2 size larger than standard running shoe size
- Heel: Medium to wide
- Midfoot: High volume
- Forefoot: Wide
- Toe-Box Height: Medium
- Arch Structure: Low
- Shoe Shape: Semi-Straight
The Superior is a minimum feature, minimum neutral shoe designed for daily training and high mileage on trails. It is built with a semi-curved shape.
- A-Bound is a recycled, environmentally friendly midsole compound for resilient underfoot protection.
- Two-Layer EVA midsole foam for durable cushioning.
- Natural Ride System (NRS) design includes a more natural, foot-shaped last, zero millimeter heel to toe drop, and metatarsal-specific shapes in the outsole to assist in proper foot mechanics and allow for more natural foot movement.
- Natural Foot Design follows the natural shape of the foot for ultimate comfort.
- Removable StoneGuard Rock Protection slips underneath the sockliner to disperse shock and protect the feet from rock-bruising. StoneGuard weighs 1.0 oz (Men's size 9).
- Quick Dry Air Mesh wicks water away from your foot while remaining light and breathable.
- Heel Claw construction uses a snug fit around the heel for added support.
- A-Wrap design holds feet securely around the midfoot and allows for a roomy toe-box.
- Asymmetrical Lacing Design follows the shape of the foot for improved fit and feel.
- Off-Road Insoles for underfoot protection and additional comfort.
- Strobel Last with the upper stitched to full length fabric for a comfortable underfoot feel.
- CheckerTrail Outsole uses sticky rubber lugs for superior grip on trails.
- Trail Rudder in the heel offers control during steep descents.
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FOOTWEAR PERFORMANCE CHARACTERISTICS