Here's what other sites are saying:
The Nike Filament Tight shorts enhance the comfort of your workout with light compression fabric. Dri-FIT(R) fabric delivers high-tech moisture management to keep you cool and dry, and it feels soft and comfortable against your skin. Ergonomic seaming maps the body's natural motion, allowing smooth, nonrestrictive movement and reducing friction zones. Discreet, zippered pocket at back stores keys, credit card or media player. The Nike Filament Tight shorts feature reflective highlights at outer seams to increase visibility.