Adidas by Stella McCartney Training Midlayer is a performance-focused zip-through midlayer designed for training and layering. It features laser-perforated sleeves for ventilation and thumbholes to keep sleeves in place during activity. Key attributes: Green | Polyamide | Breathable fabric | Zip fastening | Thumbholes | Long sleeves | Laser-perforated sleeves | Dimensions & fit: Slim fit | True to size | Composition & care: 73% polyamide | 27% elastane | Machine wash cold on a delicate cycle; mild detergent only; do not bleach; do not tumble dry; do not dry clean; do not use fabric softener.