I think fit is the most important in a hiking shoe/boot. All Five-tens fit me great. The Mountain Master is no exception. It is a great shoe. Very beefy midsoles really put a lot of shock absorption to the feet and legs. I use these with 40lb loads hiking all day and my feet feel great at the end. I won't buy anything else except the 5.10 Guide Almighty for lighter hikes and to save the Mountain Masters for heavier loads.

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Nice fit right out of the box. Great traction on the red rock out here in Nevada/So. Utah. No problems so far, except for a little wear on the toe area. Would recommend for rock scrambling and light day hikes. Get a pair and feel the difference of the sticky bottom of the shoe, really does stick to the rock.

Customer Service

No problems so haven't had to call.

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