In summer, temperatures in your office might be very high. Do you have any hints for clothes that are both professional and comfortable in this situation?
(See also this question for the case of low temperatures.)
In the Philippines, a tropical country, you can dress professionally (smart casual/business) with the following examples:
In smart casual and business attire, shoes are very important. They need to be closed. Toes must not be seen. Baring legs are generally viewed as unprofessional, especially if they are hairy.