Under Armour Men's UA 9** Core Short Men&rsquo;s 9&rdquo; UA Coreshorts 1228693 - 040 Compression: This ultra-tight, second-skin fit delivers a locked-in feel that keeps your muscles fresh & your recovery time fast. Revolutionary X Band design mimics the functional anatomy of the bodys core area to boost muscle performance Built for training, with a lighter weight for long intense practices 4-Way Stretch fabrication improves mobility and accelerates dry time, while maintaining shape Superior Moisture Transport System keeps you cool, comfortable, and focused on your game