An all-around, road racing helmet that is light, cool, fast, and features the added protection of Mips Light is fast. Fast is cool. Velocis Mips is now lighter, cooler, and faster than ever thanks to insight and feedback from Trek-Segafredo. Add in a full suite of pro-level features and you have a helmet bound for the podium. Velocis also keeps protection front and center, featuring a fully-integrated Mips Air safety system designed to provide additional protection from rotational forces. Product details Trek's lightest road helmet is now even lighter, saving grams and providing more comfort Improved ventilation and channeling keeps you cooler and moves you faster The Mips Air system is light, cool, and designed to improve comfort and protection The single-lace BOA® fit system is fully adjustable to provide a custom, 360° fit Rubberized sunglasses docking port provides secure and easy-to-use storage Beveled front edge improves field of view while riding on the hoods and in the drops Crash Replacement Guarantee provides a free helmet replacement if involved in a crash within the first year of ownership 30-Day Unconditional Guarantee allows you to return your helmet if you're unsatisfied for any reason Size S M L Circumference 51-57 cm 54-60 cm 58-63 cm Fit system BOA® BOA® BOA® Pad material Moisture wicking pads Moisture wicking pads Moisture wicking pads Buckle type Lightweight buckle Lightweight buckle Lightweight buckle Includes Crash Replacement Guarantee, NeoVisor and travel bag Crash Replacement Guarantee, NeoVisor and travel bag Crash Replacement Guarantee, NeoVisor and travel bag Weight 220g 235g 255g