Likely a team issued jersey. Made by Nike.

Nike logo and tag on the bottom are sewn on. 

UNLV Track and Field logo on the front is a printed on style. 

The back is blank.

Material is a lightweight 100% polyester.

Size tag is labeled XL.

24 inches across the front from armpit to armpit, laying flat.

29 inches from top to bottom on the front.

31 inches from the armpit seam to the sleeve end.

Excellent condition with minimal signs of wear and no flaws.