4.6 oz Polyester / Elastane
Here's what other sites are saying:
When the weather and the competition heats up, make sure to be equipped in the Under Armour Tech Tee Long Sleeve Shirt for Men, built with HeatGear(R) ultra-lightweight UA Tech(TM) construction. A versatile long sleeve crew-neck athletic tee, this UA Tech Tee is moisture wicking, quick to dry, and has great 4-way stretch for full range of motion and all-day active comfort.
- Altrec Outdoors refers to the men's version