Under Armour Lansdown II Jersey - Men's The Under Armour Lansdown II Jersey is a two-button henley placket jersey with new fabrication. Features a UA-specific jock tag at bottom hem. Raglan sleeves provide a better fit and performance. Extra length in the body ensures the garment stays tucked in. HeatGearŪ fabric helps keep the wearer cool and dry and in best temperatures between 75-100 degrees. Loose fit. 100% polyester. Imported.