- Model Name: EVOLUTION Rain Suit 7521 - Size: L - Waterproofing: 10,000mm - Material: 100% Polyester (Mesh lining) - Features: Helmet compatible, Reflective material, Durable - Features... Breathable It has a helmet-compatible hood (removable) that can be worn over a helmet. It provides safe and secure support for everything from on-site work to cycling. The inner hood cover and drawcord adjustment provide a snug fit. It does not obstruct the surrounding view. It has a large ventilation system on the back to release stuffiness, and deodorant tape on both armpits and crotch to reduce unpleasant odors. It uses 3D cut for easy arm movement, and reflective print on the lower right back and both hems of the pants to enhance nighttime visibility.