Charles River Apparel's thermal bonded Sherpa sweatshirt is made of 60 percent cotton/ 40 percent polyester thermal waffle knit bonded to anti-pill Sherpa fleece, which captures body heat efficiently and keeps you warmer for longer (11.2 Oz/YD). Features jersey lining in the sleeves for easy on/off and contrast color stitching for a modern look. Available in larger sizes up to 4X-large. When looking for quality apparel, look to Charles River Apparel.