These are Under Armour Women's Athletic Shorts. This style is a popular choice for running and general training, featuring a loose fit and a signature elastic waistband with a wordmark. 

• Design: These lightweight knit shorts are designed for comfort and breathability.

Fabric:  Made with Under Armour's HeatGear technology, which is intended to wick sweat and dry quickly to keep you cool.

Fit: Most versions of this short feature a "loose" fit for a more relaxed feel during activity.