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Altra Superior 4.0 - Men's

The new Superior 4.0 is Altra’s lightest and lowest stack shoe. Coming in nearly 20% lighter than the Superior 3.5, this updated version barely registers on the scale under 8oz/shoe with smaller sizes nearly an ounce lighter. This weight savings is largely due to the new Quantic midsole that is softer than its predecessor to conform over rocks and smooth out the terrain. You can add Altra’s included 1mm Rock Guard to cushion your feet even more from rocky Sierra trails. The soles have a new Maxtrac outsole giving the shoe aggressive tread and excellent grip while not adding weight. The glove-like upper on these shoes provides firm, comfortable support to keep the shoes in place. Combined, these improvements and weight savings further separate the Superior from its relative, the Lone Peak 4.0. If you’re carrying lighter loads or looking for a minimal, yet supportive shoe, the Superior 4.0 is worth trying on. We think you’ll love it!