Rudy Project Wing Span Aero Time Trial Helmet Unisize YellowInternational buyers please read:We do our best to estimate shipping cost but with ever changing prices, regulations,etc we cannot possibly estimate every country in the world. Our stated shipping cost is an approximation of what it will cost to deliver,if there is a higher price the buyer will be responsible for the difference orwe will gladly cancel the order if cost is higher and buyer does not want to pay.International Buyers – Please Note:Import duties, taxes, and charges are not included in the item price or shipping cost. These charges are the buyer's responsibility.Please check with your country's customs office to determine what these additional costs will be prior to looking or buying.The Rudy project Wingspan TT helmet features an advanced, versatile design along with unbeatable aerodynamics. The Wingspan includes a mesh front cover perfect for triathlon and a closed front vent cover for a time trial. Also, the Wingspan has an industry-first, removable tail cover to greatly reduce turbulence created at the back of the helmet.The Wingspan has a unique shape and great looks. Large rear vents provide heat dissipation. Ear covers incorporated into the shell aide aerodynamics. Aerodynamics guru John Cobb designed the Wingspan to work for all time trial positions and back profiles including flat and U-shaped.Features280 gramsRemovable tail coverAerodynamic ear coversExceeds CPSC requirementsFits 54-59cm - 21.25" - 23.2"Designed by aerodynamics guru John CobbBoth mesh and closed front cover includedLarge rear exhaust vent for heat dissipationWorks for all TT positions and back profilesRSR disc retention system allows one-handed adjustmentsHelmet is used with cosmetic signs of use. Missing one of the ear wing pads.