DropTemp boosts your body&&';;s natural cooling capacity by (drumroll) evaporating your sweat. (Ta da!) It&&';;s the whole package when it comes to keeping yours cooler. The #1 cooling fabric. DropTemp is lab-tested. No one expected us to show up like this. Not even us. But the test results are in, and hot damn, do they look good. Don&&';;t take our word for it. DropTemp is lab-tested. Evaporative cooling experts out of Boennigheim, Germany have set the record straight. When it comes to cooling in underwear and performance apparel, DropTemp is on top. Features: Non-chafingFlat Out Seams Moisturecontrol Softfeel 4-waystretch Odorcontrol Anti-rollwaistband