Lightweight 4-way stretch fabrication improves range of motion and dries faster. Anti-odor technology prevents the growth of odor-causing microbes to keep your shirt fresher, longer. 30+ UPF protects you from the sun's harmful rays. Built with flatlock seams that feel smooth and prevent chafing. Raglan sleeve construction allows for total mobility and a full range of motion, while eliminating shoulder seam abrasion points. Polyester/Elastane. Imported.
Stay cool while maximizing your workout with the Under Armour Blitz 40 IV full compression tee. Boasting an ergonomic fit that reduces abrasion in high-impact areas, the shirt is extremely comfortable while still encouraging an elite performance. The shirt is made using Under Armour's HeatGear technology, a superior moisture-management system that moves moisture away from your body to the outer layer of the garment. This allows the moisture to evaporate quickly, keeping you cool and comfortable even on extremely hot days. The shirt's compression fit, meanwhile, bolsters muscle support and increases circulation during workouts, resulting in a higher efficiency output and increased stamina. And hard-training athletes will love the shirt's anti-odor design, which prevents the growth of odor-causing microbes.
The shirt also harnesses Armour Stretch technology, which improves mobility and accelerates dry time when you're on the move, with lightweight fabrics built into the four-way stretch in several locations. Other details include flatlock seams that feel smooth against the skin and prevent chafing; raglan sleeves that allow for a full range of motion; and a 30+ UPF rating that protects your skin from the sun's harmful rays. Made of 81 percent polyester/19 percent Elastane, the shirt is available in a number of sizes and colors.
Size Information:
- Small: 34- to 36-inch chest, 28- to 29-inch waist
- Medium: 38- to 40-inch chest, 30- to 32-inch waist
- Large: 42- to 44-inch chest, 34- to 36-inch waist
- XL: 46- to 48-inch chest, 38- to 40-inch waist
- XXL: 50- to 52-inch chest, 42- to 44-inch waist
- XXXL: 54- to 56-inch chest, 46- to 48-inch waist
About Under Armour
It started with a simple plan: Make a superior T-shirt, a shirt that provided compression and wicked perspiration off your skin rather than absorbing it, and that worked with your body to regulate temperature and enhance performance. The plan evolved into a full-fledged commitment to producing performance apparel engineered to keep athletes cool, dry, and light throughout the course of a game, practice, or workout.

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Founded in 1996 by former University of Maryland football player Kevin Plank, Under Armour offers a diverse product assortment of performance gear for men, women, and youth, with an intuitive product framework that's easy to understand: wear HeatGear items when it's hot, ColdGear when it's cold, and AllSeasonGear between the extremes. Under Armour's mission is to provide the world with technically advanced products engineered with the company's superior fabric construction, exclusive moisture management, and proven innovation. Every Under Armour product has a specific purpose--to make you better.