1.Dial Fit adjustable system adds ease 2.21 flow vents to keep you cool 3.Moisture-wicking pads keep rider"s head dry 4.Easy to adjust webbing for a comfortable fit 5.Comfortable in any weather & With a brim which looks specialStay safe while cycling with the Thrasher adult bike helmet. The Thrasher is comfortable in any weather, with 21 integrated flow vents and moisture-wicking pads to keep you dry. To ensure a secure fit, the helmet includes a Dual Fit adjustable design and easy-to-adjust webbing.