Warm COTTON Innerwear - Set of 2 Size L Long Johns Long Underpants 100% Cotton, Moisture-Absorbing & Heat-Generating, Squalane-Infused *Squalane has high moisturizing properties to protect the skin from dryness. It also supports the skin's barrier function, preventing skin problems caused by UV rays and dryness, and also helps prevent acne and skin irritation due to its bactericidal effect.