Peace be upon you. According to Sayyid Khamenei, there is no objection to wearing shorts in itself; however, if there is a fear of falling into something forbidden or causing harm, then it is not permissible. According to Sayyid Sistani, it is not forbidden in itself as long as it does not lead to another forbidden title, such as humiliation, and it is not obligatory for men to cover the lower part of their bodies (except for the private parts).