Fuseknit Comfort Blocked RN LS is made of lightweight, warming yarn for optimal thermoregulation and provides excellent moisture transport to keep your body dry and comfortable. In addition, the jersey features the innovative Fuseknit technology, which combines seamlessly knit parts with ergonomic and strategic seams to create soft and supple garments. The result is fewer seams and a smooth, chafe-free and highly comfortable experience. A perfect choice for all kinds of winter activities.