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.
Louis Garneau Womens Tri X-Speed XZ Shoes
Louis Garneau Bike Shoes & Indoor Cycling Shoes
Sidi T-4 Air Carbon Composite Cycling Shoe - Women's - Women
Louis Garneau Womens Tri X-Speed XZ Shoes
Women's Garneau Tri X-Speed XZ Shoe — Enduro Sport Inc
Louis Garneau Womens Tri X-Speed XZ Shoes
Louis Garneau Tri X-Speed XZ Cycling Shoes
Shoes - Gear - Women
Louis Garneau Tri X-Speed III Cycling Shoe - Women's - Women
Buy Louis Garneau, Mens, Tri X-Speed Xz Shoes and other Shoes at . Our wide selection is eligible for free shipping and free returns.
Louis Garneau, Mens, Tri X-Speed Xz Shoes | Shoes
Adizero Golf Shoes - Gem