WARNING! This product will melt when exposed to extreme heat or open flames, posing a risk of serious injury where melted product comes into contact with skin! Lightweight, field-tested HeatGear® fabric delivers soft, but sturdy next-to-skin comfort 4-way stretch fconstruction improves mobility and accelerates dry time, while maintaining shape Our signature Moisture Transport System keeps you cool, dry, and light on your feet Anti-odor technology prevents the growth of odor-causing microbes Ergonomic seam placement reduces irritation and chafing V-neck with tonal tactical logo is perfect for layering under your uniform 4.5 oz. Polyester/Elastane Imported