Waterproof: Designed to completely cover your shoe with a waterproof material that keeps fog, mist and road splashes out of your bicycle shoes.
Wind resistant: Windproof materials keep the warm feet, even on cool mornings (10C / 50F to 18C / 65F)
Lightweight: made of a flexible, lightweight material that won't hold water when wet.
No zippers: Innovative design folds over your shoe, so there are no points of vulnerability like zippers or velcro.
Aerodynamics: Soft, flexible material creates a form-fitting design.
Compact: Fits easily in jersey pocket or in the saddlebag.