30% acrylic 28% polyester 22% nylon 20% viscose. Made in China. Hand wash. Unlined. Twist halterneck styling with front cut-out detail. Lightweight knit fabric with textured detail. CAHN-WD61. 42212. 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.