IMPSPORT T3 aero overshoes (UCI legal)

Designed for maximum aerodynamic shape, the T3 Aero Overshoe has been extensively wind tunnel tested for optimum speed gains.

Our unique trip seam transition system reduces drag with savings of 10+ Watts in world competition. Suitable for racing under UCI regulations – check the size chart for more info.
Also available with our custom fitting service. Book an appointment at our Lincoln HQ or contact us for a remote fitting session, and we’ll create a bespoke pattern for your individual overshoes to further maximise your gains and ensure UCI regulation compliance. Please allow time for manufacture.
“I’ve used so many different overshoes, and tested a lot of them too, and the overshoes from Impsport are second to none when it comes to fit and usability. There is nothing more annoying than overshoes that fall down mid race knowing they’re slowing me down, but these have never slipped at all which is perfect for what I want and need,” said George Fox Cycling Solutions, professional aero bike fit & coaching for cyclists & triathletes. 


  • Strategically placed seams aid aerodynamic form to optimise drag reduction.
  • The unique trip seam transition system reduces drag with savings of 10+ watts. View the Impsport T3 Aero Overshoe Brochure for details.
  • Rear stretch zip for ease of wear and additional comfort and garment strength.
  • The zip flexes with the garment holding it closer to the body for improved fit whilst being more comfortable.
  • The zip locks in position easily for a more secure hold.
  • Super fine internal silicone gripper holds the calf section in position without adding additional bulk.
  • Manufactured using wind tunnel tested fabrics for aerodynamic performance.
  • UCI legal – see the size guide below and UCI figure 1.3.033 for info.
  • Ultra-low drag fabric with a high stretch threshold for added mouldability and aerodynamic shaping.
  • This is a race-specific garment designed to offer the rider maximum performance. This includes full coverage of the heel section of the shoe. To prolong the life of the garment and to maintain performance it should be removed when not on the bike and not be subjected to abrasion from walking.

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