A first-class street helmet that your kids will shine in. This helmet looks great, is comfortable and most importantly keeps your head safe. The new ABS polymer construction, designed from a single piece of thermoplastic, is amazingly durable and safe, while the compression and hypoallergenic linings ensure comfort. MTB Bike Helmet Yo-Yo ABS polymer construction ABS polymer construction designed from a single piece of thermoplastic delivers great durability and safety. The compression padding provides additional comfort and protection. Anti-allegra padding The internal padding is the most important factor determining the comfort of the helmet. MET uses only hypoallergenic materials with different widths to match the positioning in the helmet. Sizes Weight M - 365 g L - 435 g