|The Bell Vert bike helmet is built to take all kinds of abuse and still offer legendary protection. The outer shell is made of high impact resistant ABS plastic that resists scuffing and the inside is made of EPS foam. Sculpted lines in the shell for a really cool look, 11 generous vents keep your head feeling cool too. Includes sizing pads for the perfect fit. Choose from Small-Medium (20.75-22.50") and Medium-Large (22-23.5") Weight 15.7 oz.