This long-sleeved top is made from bamboo viscose so it’s supersoft, breathable and absorbent. It’s cropped to finish at the top of your leggings. With 360 degree stretch and contrast side rib panels, this top fits to your body and with its seamless design it doesn’t chafe. This top is designed for comfort whether you want to cover distance or work at high intensity. And of course, it has thumb holes.. . 84% Bamboo Viscose, 12% Recycled Polyamide 4% Elastane. Seamless. Thumb holes