with that being said, it is inappropriate for women to go topless - apart from at a few designated nudist beaches, the act is likely to be met by many disgruntled looks and comments - some people may be asked to leave, so it is not recommended. 

flipflops are be seen all over the city in a variety of different colors and uniquely styles such as the double-thongs, gems and jewels - Sun screen is absolutely essential, partly because the sun is extremely powerful, but also because a bad sunburn look is extremely unhealthy.

most carioca's use colorful 'cangas' instead of towels,  which are used to dry off, and lay out on the sand -  they are used as cover ups as well, to be tied around the waist or fastened into a dress - cangas on also great to use to cover beach chairs instead of sitting directly on them - this is recommended for hygienic purposes.