15Love Women's Long Sleeve Performance Tee 88% Nylon/12% Spandex Made in the USA and Imported Machine Wash Flat ergonomic seaming- so your seams wont rub you the wrong way 4-way stretch mossed jersey- when you move, it moves Thumbholes to keep your sleeves in place and your hands warmer Fold over hand mitt which acts as a built in glove- for those really chilly days