If the weather's cool, so should your hat be. That's where the Converse Short Dome Rib Beanie comes in. It features warm and soft acrylic yarn, a lightweight single layer design, and a fashionable Converse woven clamp label. Soft Acrylic Rib knit cuff Converse label. Size: One Size (21). Color: Converse Black. Gender: Unisex. Age Group: Adult.