Callahan Corina Polo Sweater in Blue. - size L (also in M, S, XS) Callahan Corina Polo Sweater in Blue. - size L (also in M, S, XS) 100% polyester. Made in China. Machine wash. Shaggy lightweight knit fabric with colorblock trim. CAHN-WK156. 230708. Los Angeles based brand Callahan is known for their comfy sweaters and perfect boyfriend fits. Their line is elevated by unique textures, materials, and techniques that give each piece versatility and wearability. Designed for cool girls everywhere, Callahan is inspired by effortlessly easy style. Shop the latest in fashion from Callahan