About Zoot Sports Ultra Speed 3.0 Classic Running Shoes (For Men)
Closeouts. Zoot Sports Ultra Speed 3.0 running shoes help you shave time in transitions without sacrificing cushioning. The flexible, seamless upper has a low profile, and the Carbon Span+ shank offers support for sprint workouts and race day.
Specs about Zoot Sports Ultra Speed 3.0 Classic Running Shoes (For Men)
- Upper: Textile, synthetic leather
- Lining: Dri-Lex®
- Removable insole
- Midsole: EVA
- Outsole: EVA
- Heel to toe drop: 6mm
- Weight (pair): 14.4 oz.
- Made in China
- Runs small, order 1/2 size larger
- Visit our Running Shoe Guide
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Most Helpful 5-Star Review
Verified Buyer Reviewed by Budro from Atlanta on Wednesday, June 10, 2015Near perfect fit and feel for me (after ordering one size up).
Verified Buyer Reviewed by tybeerunner from tybee island on Wednesday, October 22, 2014Great shoe, perfect for those of you who don't like to wear socks. I wear them for everything from 5k to 50k, you can definitely go long in these. I'm just sad to say that it appears zoot no longer makes them anymore.
Verified Buyer Reviewed by bill from folsom, ca on Friday, August 22, 201411b feet just about fit in the size 12 ultra speed 3's. very little cushioning, these are strictly for racing. i think they are a little more narrow than the ultra speed 2's. (a good thing in my case).
Answer the carbon span is on the sole. here is link to a picture - the black is the carbon.
so it s a sheet of carbon that stiffens the sole.
the only way to tell how long the carbon is would be to tear the shoe apart. i think it extends much more than you can see.