Why is organic cotton underwear considered the most comfortable? Organic cotton underwear is the most comfortable because it is a natural fabric that breathes. Organic cotton also keeps you comfortable all day long. It's also soft and gentle on the skin, so it doesn't irritate or chafe like some synthetic fabrics. So if you're looking for underwear that feels good against your skin and keeps you comfortable all day long, check out our products! Get to know our organic cotton underwear for women today!