A light weight fabric, they only seemed like they might be too delicate but can be washed and dried with the rest. This is good because he does not hang delicates to dry.Calzoncillos Calvin klein 365 Series
These area great product and the soft stretch concept line of Calvin Klein is one of the best!
Nice and soft .. Hugs at the right places and you do not feel warm wearing it. Makes u look more well endowed..or so my wife says!