Lightweight Sweatshirt Knit Fabric 180gsm 170cm Wide 47% Lyocell 10% Wool Stretch Knit For Sweatshirt Production Most sweatshirt programmes are built on 280–320gsm fleece, which is why so many spring and autumn capsules feel heavy before they are even cut. This 180gsm knit gives you a sweatshirt hand without the bulk: 47% lyocell keeps the face smooth and cool to the touch, 10% wool adds a dry, warm note that acrylic alone cannot deliver, and 5% spandex holds the shape