- UA Tech fabric has a softer, more natural feel for incredible all-day comfort.
- Signature Moisture Transport System wicks sweat to keep you dry and light.
- Lightweight stretch construction improves mobility for full range of motion.
- Anti-odor technology keeps your gear fresher, longer.
- Flatlock raglan sleeves unlock mobility and eliminate chafing.
- Allover microstripe pattern; stripes will always be team color back to steel.
- Loose fit.
- HeatGear is best for weather between 75 and 100 degrees.
- 100% polyester. Imported.
Under Armour Men's Apparel SIZE CHEST WAIST XS 30"-32" 26.5"-27.5" S 34"-36" 28.5"-30" M 38"-40" 31.5"-33.5" L 42"-44" 35"-37" XL 46"-48" 39"-41" 2XL 50"-52" 43"-45.5" 3XL 54"-56" 47.5"-50" 
CHEST - With your arms relaxed at your sides, measure around your chest at the armpits, over the fullest part of your chest and shoulder blades, keeping the tape horizontal.
WAIST - Measure around your waist where you normally wear your pants, keeping the tape horizontal.
If your measurements fall between two sizes, choose the smaller size for a tighter fit or the larger size for a looser fit.