Warning! This product is not flame-retardant, never use this Under Armour product as a substitute for flame-retardant or ballistic protective equipment; Do not wear it when exposed to extreme radiant heat or open flames; Under Armour products that are not flame-retardant may melt in extreme heat that exceeds 350°- Exposure of the skin to fire or flame can cause injury .

Superior moisture transport.

Ergonomic seam placement to reduce irritation.

Under uniform v-neck.

Anti-Odor Technology prevents the growth of odor causing microbes.

4.5 oz 81% Polyester / 19% Elastane.