Armycrew Women's Patterned Knit Slouchy Long Reversible Ponytail Beanie. 100% Acrylic. Warm and stylish reversible ponytail slouchy beanie hat for ladies for all kinds of winter outings. 1 opening on top for your ponytail, hat is reversible to different design. Beanie measures around 11 inches long and 8 inches wide. Stretchable, warm, thick and soft material, ensures a comfortable fit for most head types. One size fits most with flexibility.