The stretchy, seamless design is durable and comfortable, fitting ergonomically to any bodyshape with zero irritation. The unique mircofibre knit boosts air circulation so that body temperature remains stable, even during workouts. A full-zip and high neckline keep you snug and warm in cold winds, and can be opened to quickly evacuate heat when the sun comes back out. The Raglan sleeves allow for optimal freedom of movement, whatever your sport. This is a casual, stylishly athletic thermoregulated black sweatshirt, designed to be your loyal companion from race warm-ups to the local supermarket.