Tommy John Cool Cotton Trunk. Upgrade your underwear with these awesome trunks. The open fly front has a supportive pouch, and the "no-bind" waistband will not pinch your skin. Breathable knit has moisture wicking for cool, dry comfort. Made of Pima cotton with spandex. Functional fly pouch has supportive, vertical dart and horizontal opening at top for easy access. Get a custom fit with the flat elastic waistband that won't roll or pinch skin. 4-way stretch fabric for easy movement. Wicking keeps out moisture for all-day dryness. Breathable Pima cotton dries quicker and keeps you cooler than regular cotton. Mid rise. Smooth, seamless rear. Full rear coverage. Self-lined leg hems. Tagless. Open fly.