Under Armour Under Armour Men's Size Chart Stay comfortable whether you're at the gym or on a hike in the Under Armour UA Tech V-Neck tee. All Under Armour Apparel features a tagless design or tear-away tag with no left-over pieces. Loose fit is a generous, full cut for ultimate comfort and unrestricted mobility. UA Tech fabric is extremely lightweight with an ultrasoft hand and four-way stretch capability. V-neckline. Short raglan sleeves. UA logo at left chest with smaller logo at nape. Straight hemline. 100% polyester. Machine wash, tumble dry. Imported. Product measurements were taken using size MD. Please note that measurements may vary by size.