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Mavic Cosmic Ultimate Tri Shoe
Mavic Cosmic Ultimate Tri Shoe

Cosmic Ultimate Triathlon Shoe

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Cleared for take off.

When you line up for race day, you know it's not just about showing up and racing. It's taken months of preparation, from intense training rides to abstaining from that delicious Thanksgiving pumpkin pie. You take your racing seriously, so why should you treat your shoes any differently? The Mavic Cosmic Ultimate Tri Shoe is the lightest, stiffest, and most efficient shoe that they have to offer, designed specifically to propel professional athletes like Mark Aigroz to the finish line.

The Ergo bonded mesh and synthetic microfiber upper is barely noticeable, wicking away the water from your feet after T1 and keeping you cool and comfortable throughout the entire ride. The Energy Full Carbon SLR outsole is the same that's used in their top-of-the-line road shoe, making no compromises in the pursuit of power transfer excellence.

Holding it all together, the overbuilt heel loop makes it easy to pull the shoes on as you pedal away, while the single Ergo Tri Strap easily secures in a moment, facilitating quick transitions. Mavic knows not every foot is made the same shape, so the large strap is cuttable to allow for a customizable fit. Furthering the comfort of the shoe is the dual-density Ergo Fit 3D+ Orthlite insole, providing targeted arch and metatarsal support while the carbon heel cups and supports the back of the foot all ride long.


  • Ergo Tri strap with oversized heel loop aids in quick transitions.
  • Full carbon Energy SLR Outsole features an energy transfer index of 100.
  • Ergo Strap Carbon SL, lightweight carbon fiber advanced closure system.
  • Energy Lock heel cup provides excellent heel hold for optimal power transfer.
  • Claimed weight: 240g (size 41).

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Ordered by Most Relevant First
5 stars
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1 stars
Great Aero shoes
by AR Mously
Competitive Racer
Portland, OR
2 of 2 customers found this review helpful.

I got this pair for my first Ironman, and I was impressed with the quality of the shoe, overall i think it is one of the best deals out there especially at this price, here are some things i really like

-Light & very stiff ... first thing you will notice about this shoe is how light and incredibly yellow it is. This pair also has a minimalist design, simple but effective. For stiffness, the sole and back panel are full carbon, so you will feel the stiffness while riding, your feet basically becomes a part of the bike.

-Ventilation - The front mesh coupled with the bottom vents work pretty good to keep a good air flow and prevents moisture build up.

-Good Fit - the fit was true to size, i ordered this online from the first time and the size i ordered worked great. The strap was pretty long at first, but after cutting it to fit my size, it works great.

-Comfortable ... The shoe is pretty comfortable, i don't feel any toeankle discomfort until maybe after 3 hours of riding, and its never bad.

-Color - while yellow is pretty strong color, it serves pretty good on the road if you want to be more visible.

overall, this is a solid pair of shoes, strongly recommended.

Reviewed 6/13/2017
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Nice shoes
by Anonymous
0 of 1 customers found this review helpful.

The fit is wide

Reviewed 7/6/2018
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Perfect fit!
by Anonymous
1 of 1 customers found this review helpful.

Great durability and feel. Stiff carbon sole makes riding enjoyable

Reviewed 8/30/2018
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