Here are some Bodybuilder Tops:

http://www.thesimsresource.com/artists/alex_stanton1983/downloads/details/category/sims3-clothing-male/title/bodybuilder-nude-top/id/947060/

http://www.thesimsresource.com/artists/alex_stanton1983/downloads/details/category/sims3-clothing-male/title/docker-with-pectoral-muscles/id/943078/

http://www.thesimsresource.com/artists/alex_stanton1983/downloads/details/category/sims3-clothing-male/title/nude-top-with-pectoral-muscles/id/944631/

Jero