DropTemp Cooling Underwear & Apparel Collection SAXX Underwear SAXX Mens Underwear DropTemp Cooling Cotton Brief with Built In DropTemp Cooling Underwear & Apparel Collection SAXX Underwear Boxer Briefs. Description CARE & SPECS HOW IT FITSSlim Fit: form fitting around the butt and waistband. Features a fly for easy access. MADE FORChilling your dill every day (literally). Quick dry and moisture wicking, DropTemp Cooling Cotton is a go to everyday staple. Made with a buttery soft cotton modal blend, this pair keeps you cool and comfy (even when the heat is on). BUILT IN TECHDropTemp Cooling technology, BallPark Pouch, Flat Out Seams, Three D Fit.