Under Armour Boys’ Long Sleeve HeatGear® T-Shirt II YXL Midnight Navy

Fit: Compression--Supports your muscles to prevent fatigue during intense training.
Performance Technology: Under Armour® HeatGear® --For when it's hot. HeatGear® technology wicks perspiration off your skin, rather than absorbing it. It's engineered with UA's Moisture Transport System to deliver core temperature regulation and maximum breathability.
Anti-Microbial--Anti-microbial treatments provide permanent odor protection by inhibiting the growth of bacteria and mildew in the fabric.
UV Protection--Fabric is treated to block UV (ultraviolet) radiation from the sun, helping to prevent sunburn.
Ventilation--Mesh or breathable fabric inserts in high heat zones allow sweat to evaporate and cool air to circulate. Soft, smooth, lightweight fabric for game-long comfort. Lightweight, 4-way stretch construction improves your range of motion and dries faster. Signature Moisture Transport System wicks sweat away from your body. Anti-odor technology prevents the growth of odor-causing microbes. 30+ UPF protects against the sun's harmful rays. Ergonomic seam placement eliminates chafing. Polyester/Ela More »