DHaRCO Womens Tech TeeLooks like a casual tee, but with functional performance. Patented drirelease fabric which feels like cotton but keeps you cool, dry, comfortable and fresh. Drirelease technology is not a surface application (i. e. chemicals) applied to the fabric, instead the performance is 'built in' to each thread. The quick drying technology, as a result, won't 'wash out' over time. This has the added bonus of also being more eco friendly, and we like that. Slim