Sweatshirt The Caslay Comfort Series is built for durability and seasonal versatility : 1) Premium Heavyweight Fabric: A high-quality cotton blend that provides superior insulation and a cozy feel. 2) Classic Crewneck Design: Features a reinforced ribbed collar that maintains its shape wash after wash. 3) Ribbed Cuffs & Hem: Snug, elasticized ribbing at the wrists and waist to lock in heat and ensure a perfect fit. 4) Pill-Resistant Finish: Specialized fabric treatment keeps the exterior smooth and looking new for longer.