This comfortable, lightweight helmet is a great all-rounder for fitness riding, commuting or longer weekend adventures. A personalized fit and comfort that lasts. Superlight retention system offers optimal adjustability, comfort and head hold. 37.5® technology padding uses active particles to absorb heat from your head and wick sweat away five times faster. Anti-mosquito mesh on frontal vents shields you from bugs. Weighs only 245 grams (size M).