These are brand-new, Adidas Men's Team Issue Men's 1/4 Zip Sweatshirt complete with tags. Features a zippered kangaroo pocket. The official adidas description of the sweatshirt:
A HALF-ZIP TRAINING SWEATSHIRT MADE WITH RECYCLED MATERIALS. 
Pull on this adidas sweatshirt to protect you from the chill during cool-weather training. It's made of soft fleece for a comfy feel, and the half-zip design lets you adjust the ventilation as you go. AEROREADY manages moisture to keep you dry from warmup through cool-down. A zip pocket at the front secures your key and card for a distraction-free workout. Made with 100% recycled materials, this product represents just one of our solutions to help end plastic waste.