Featuring high-quality, lightweight but durable suede construction, and thin rubber sole for ultimate pedal feel, all in a super lightweight shoe! Breathable, flexible construction with hook and loop ankle strap. Tensioner on the laces prevents shoes coming untied mid race. SFI rated 3.3/5 with a plush fire retardant NMX interior. This shoe is very durable and comfortable, exactly what you need in a race shoe!