 More and more people are finding red or clear bumps on their skin on hot days. This occurs when the openings of our skin where our sweat comes out gets plugged with the salts from dried sweat, bacteria, dirt, dead skin cells. Dr. Adam Friedman, chair of dermatology at the George Washington School of Medicine and Health Sciences, says it's something that can be prevented by protecting your pores. It's really important to wear loose-fitting clothing or breathable