Nike Women’s Therma-fit One L/S- 2X- Particle Grey

From website: Standard fit top High-stretch fabric flexes with every move Designed to highlight your shape without feeling restrictive, too tight or too loose Classic, comfortable crewneck design Soft, warm fleece curves down at the back hem for a little more coverage Small side slits create extra give while you move Subtle double bar tack at lower side seams Center seam detail on back Nike® Therma-FIT technology helps manage your body’s natural heat to help keep you warm in cold-weather conditions