Its a small section inside the shoe that can expand up to 5 millimeters to prevent numbness. Without any extension system, the toes end up on top of each other and tend to get numb.
Garneau Women's Opal Cycling Shoes - Road & Trail Bicycles Lakeland, FL 863-937-8058
Louis Garneau Women's X-Lite III Triathlon Shoes — Playtri
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Louis Vuitton LV Unisex Trainer Sneaker Purple Metallic Canvas Rubber Outsole Monogram Flowers - LULUX
The Sidi T-5 Air is designed specifically for triathlon. The upper weathers rain and water without losing stiffness, and the closure system is easy to adjust and reliable, the T-5 Air is particularly suitable for giving your best during triathlon competitions.
Sidi Women's T-5 Air Cycling Shoes - Rose Red White - 39
Louis Garneau Tri X-Speed III Triathlon Shoes - Women's
Louis Garneau Womens Tri X-Speed XZ Shoes
Louis Garneau Tri X-Speed XZ Cycling Shoes - Women's Salvia Purple 6.5
Garneau Tri X-Speed XZ Shoes - Women's
Find many great new & used options and get the best deals for Louis Garneau Tri-X Speed Women's Triathlon Shoe - Size 37 at the best online prices at
Louis Garneau Tri-X Speed Women's Triathlon Shoe - Size 37
Louis Garneau Women's Tri X-Speed XZ Triathlon Shoes — Playtri
Louis Garneau Women's X-Lite III Triathlon Shoes — Playtri