Aqua Lung MK0 UndergarmentsA moisture wicking layer to wear next to your skin, under your thermal undergarments and drysuit. Made of sumptuous bamboo fibers, it's ultra comfortable, with Spandex woven in to move with you. You can also wear it as a stand alone layer in tropical waters for sun protection and to guard against stings and abrasions. Part of our Glacier Series undergarment line. Features: Bamboo Fibers. Primarily made of natural bamboo fibers, this garment is easier