Body: 90% Polyester/10% Elastane, Back Insert: 100% Polyester
Smooth Fabric - An ultra-soft and smmooth fabric that provides extreme comfort with very little weight.
4-Way Stretch Fabrication - Allows greater mobility and maintains shape.
ArmourVent - Delivers true breathability in a light, stretchy, durable, fast-drying fabric.
Signature Moisture Transport System - Wicks sweat away from the body, keeping you cooler and drier.
Smooth Flat Lock Seams - Allow a full range of motion without chaffing.
Meet HeatGear® Sonic: UA’s newest and greatest baselayer innovation. Under Armour started the “performance” revolution in sportswear with the original HeatGear®. This latest fabric takes comfort to the next level—lighter, with a sleek, softer feel that you can wear all day. Hugs tightly onto your body like a second skin, this ultra soft, smooth t-shirt provide an extremely comfortable lightweight feel during intense workout. The t-shirt also features ArmourVent technology, which provides excellent breathability to keep you cool and comfortable during training
Under Armour HeatGear Sonic Armourvent Short Sleeve Running T-Shirt - B00IDD4Y1M