Hi, you are buying 1 set of the Russell Boys Therma Force PERFORMANCE BASELAYER SET Underwear Long Sleeve Top Bottom Set in Arctic White size XL (14-16). Keeps boys warm with stretch for freedom of movement. There is a size chart in my photos for reference. 65% Polyester/31% Rayon/4% Spandex. Condition is brand new. Free shipping email with any questions thanks.

Features:

* Dri-power 360 ~ wicks sweat from the body

* Thermic - Power

* Comfort Stretch

* Odor Protection

* TAG-Free Label

* Exposed Elastic Waistband