These are made of soft, ultra-lightweight cotton-blend fabric that delivers incredible comfort. The Moisture Transport System wicks moisture from the skin, keeping you dry light. Fitted: Next-to-skin without a squeeze Soft, ultra-lightweight cotton-blend fabric delivers incredible comfort Signature Moisture transport System wicks sweat to keep you cool and dry Lightweight, four-way stretch construction improves mobility for full range of motion Flat, stretch waistband with internal UA Logo