I can understand why some people prefer to ride with no gloves during hot summer days, but over the years I have seen a lot of riders dressed with shoe covers, full leg warmers, arm warmers and vest, yet Naked hands.
My hands get cold pretty quickly under 55 deg, at which point I generally turn to my long finger gloves. Now that it is starting to get colder in the mornings here, I have seen some photos of people I follow on Instagram as well as people we pass on our early morning rides with no gloves.

Why bare handed, yet rest of body is covered?