Size is less than 54cm to 57cm. Color is beige. It's a helmet that looks like a hat! I bought it for my mother on Rakuten for 9250 yen, but it became unnecessary before use, so it's new and unused. OGK KABUTO SiCURE M size L size SiCURE bicycle helmet hat women's ladies women's bicycle adult obligation stylish town use city commuting shopping Kabuto