Callahan Sami Dress in Rust. - size M (also in XS) Callahan Sami Dress in Rust. - size M (also in XS) Poly blend. Pull-on styling. Front wrap tie closure. Elasticized waist. Ruched shoulder detail. Satin fabric. CAHN-WD33. 91924. 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.