The bell womens endeavour road helmet features a lightweight design with 19 vents and special webbing straps that resist absorbing sweat so you can take on those tough climbs with a cool head the in mold construction allows for a design thats beautifully smooth and compact but still incorporates an internal roll cage and polycarbonate shell so you know youve got great protection endeavour is a helmet that performs well and looks great choose your riding goal more miles faster climbi