Anything with a rating of less than one CFM is considered windproof.
Fabrics that are water- and windproof are typically called hard shells.
It has two windproof buckles and an elastic cord at the bottom, allowing for a tight and secure fit around the bike that protects it from wind and rain.
Much like winter coats for people, dog jackets are available in windproof and waterproof varieties as well as basic fleece and work-clothes styles.
Kate changed in the airport, into a (windproof) pair of jeans and a cream sweater.
Our clothing in moderate temperatures consisted of thick woollen underclothing and Burberry windproof overalls.
Outside the mits we wore an outer covering of windproof material, so as not to wear them out too quickly.
Ail the walls were double and were made of windproof material, with about an inch between for the air to circulate.
It had been made by our able sailmaker, Rionne, and was of very thin windproof gabardine.
A modern, up-to-date coop should have a warm, windproof sleeping room and an outside scratching shed.