This is a

Nike Pro Dri-Fit Baseball Arm Sleeve.

Features: 

* Sold as 1 Single (Not a pair)

*  Dri-Fit fabric to wick sweat away and help

keep you dry and comfortable

* Abrasion-resistant form-fitting provides support

* Flat seams feel smooth against your skin

* Nike Swoosh Logo design visible brand recognition

Color:

Grey/Black

Size: 

Adult S/M

Please see photos above for all measurements.