evo.com | Oyuki Long Underwear Tops > Developed specially for those who prefer a synthetic performance garment, the Oyuki Hitatech Longsleeve base layer is super warm with superb moisture wicking properties. Relaxed Fit 220gsm Hitatech(TM) Thumb Holes 93% Polyester / 7% Spandex Single Jersey This product may contain chemicals known to the State of California to cause cancer, or birth defects, or other reproductive harm. | Women's Oyuki Hitatech Longsleeve 2026 - Medium Black | Spandex/Polyester