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.
Fizik Tempo Overcurve R4 Cycling Shoes – all3sports
Cycling Shoes - The Devil's Gear
Louis Garneau Men's Tri X-Speed IV Cycling Shoe
Louis Garneau Platinum Xz Cycling Shoes – all3sports
Shoes - San Diego Bike Shop
Fizik Tempo Overcurve R4 Cycling Shoes – all3sports
Buy Louis Garneau, Mens, Tri Air Lite and other Cycling at . Our wide selection is eligible for free shipping and free returns.
Louis Garneau, Mens, Tri Air Lite | Cycling
Garneau won the prestigious Eurobike award for the X-Comfort Zone technology featured in this shoe. This patented and innovative design allows the shoe to stretch to accommodate B to D+ foot widths thanks to a ventilated elastomer-spandex insert. The X-Comfort Zone creates a dynamic, non-constrictive fit for the foot’s natural toe splay, which improves power, reduces injuries, and creates unsurpassed comfort. Style and performance can go hand in hand, the Platinum shoes are proof of that.
Louis Garneau Men's Platinum XZ Shoes 47 Black
Louis Garneau Cycling Shoes From Moosejaw
Louis Garneau Tri X-Speed IV Shoe - Men's - Men