Warm Essentials® by Cuddl Duds® Women's Sweater Knit Crew Neck Thermal Top Lightweight modern knit for insta-comfy warmth Lightly brushed for ultra-soft comfort Spandex for flexibility and comfortable fit Flattering design details for effortless style 76% Rayon 21% Polyester 3% Spandex Machine washable Base layer fit Cozy Knit is a lightweight modern base layer for insta-comfy warmth. Lightly brushed for ultra-soft comfort, the collection has flattering design details for effortless style.