Feet sweat because the soles have a very high concentration of sweat glands—about 250,000 in total—making them one of the sweatiest parts of the body. Sweating in your feet is a natural mechanism to regulate body temperature and maintain skin hydration. However, some people experience excessive foot sweating, known medically as plantar hyperhidrosis, where sweat glands are overactive. Common causes of excessive foot sweating include genetics (it tends to run in families), hormonal changes (puberty, pregnancy, menopause), stress or anxiety, physical activity, and environmental factors such as wearing hot or tight footwear. Sometimes, underlying medical conditions like hyperthyroidism or certain medications can increase sweating levels. The sweat itself is odorless, but the moisture creates an ideal environment for bacteria and fungi on the skin, which break down sweat and produce foot odor. Excessive foot sweating can also lead to skin problems, such as white soggy skin, irritation, infections, blisters, and peeling, often exacerbated by fungal infections like Athlete’s foot. Maintaining good hygiene, using absorbent or moisture-wicking socks, and wearing breathable footwear can help manage symptoms, but if sweating is excessive and persistent, it may be a condition worth discussing with a healthcare professional for further evaluation and treatment options.