It's 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 get numb. Thanks to this innovation, you won't have to end your ride before you're done ever again.
Louis Garneau Women's Carbon XZ Shoes, Dark Pink / 42
2016 Louis Garneau Dealer Catalogue by Monza Imports - Issuu
Louis Garneau Hillibilli Cycling Shoe - Men's - ShopStyle
Louis Garneau Bike Shoes Platinum II Mens – Oberson
Our Copal BOA road cycling shoes take one of our best values in the industry and add even more features. The Copal BOA shoes have been upgraded to include our award-winning X-Comfort Zone technology. The X-Comfort Zone allows the foot to swell up to 5 mm while riding, thus eliminating hot spots and discomfort. It also accommodates wider feet and eliminates bunions over time.
Louis Garneau Copal Boa Shoes 43 Black
garneau shoes claudia_ardila - Gem
Gravel II Cycling Shoes for Men
Whether you ride with an SPD system or standard road bike pedals, the Tri X-Speed IV fits them both. No matter if your feet are thin, medium or wide, Garneau's X-Comfort Zone technology prevents numbness by extending the shoe's edges if needed. A wide foot entry makes it easy to perform those first hop-on-the-bike transitions, and 2 hook-and-loop straps help to attach your feet and start pedaling in no time.
Louis Garneau Men's Tri X-Lite III Shoe - 45 - White
All Cycling Shoes — Enduro Sport Inc
louis garneau Athletic Shoes for Men - Poshmark
As an avid cyclist, these are my favorite shoes for commuting
Louis Garneau Copal II Cycling Shoe - Men's - Bike
Louis Garneau Men's Copal Boa Shoe - Moosejaw