Tommy John Second Skin TrunkTommy John Second Skin Trunk The Tommy John Second Skin Trunks are the ultimate underwear for any occasion. They come in a silky soft, non pilling micro fabric with more breathability than traditional cotton underwear. The Stay Put waistband, Quick Draw Fly, and contour pouch all come together to make a pair of underwear where the comfort never ends. Non Pilling The soft, slight stretch material used in the Second Skin Trunks is non pilling, meaning