All Under Armour® Apparel features a tagless design or tear-away tag with no left-over pieces. The Under Armour® Kids HeatGear® Armour Mock Long Sleeve tee features a four-way stretch construction that ensures a full range of movement. This kid's tee is styled with long sleeves, a mock neckline, and a straight hem. The HeatGear® fabric of the tee is ultra-soft and smooth for extreme comfort with very little weight. Match your kid's comfort and style with this long-sleeve tee. Regular fit. 100% polyester. Machine washable. Imported. Product measurements were taken using size SM (8 Big Kid). Please note that measurements may vary by size. Measurements: Length: 19 1⁄2 in View Zappos.com Glossary of Terms Under Armour Kids HeatGear® Armour Mock Long Sleeve (Big Kids)