Callahan Pia Long Sleeve Midi Dress in Brown. - size L (also in XS) Callahan Pia Long Sleeve Midi Dress in Brown. - size L (also in XS) 70% acrylic 27% nylon 3% elastane. Made in China. Hand wash. Unlined. Pull-on styling with elastic waistband. Mockneck styling. Midweight ribbed knit fabric with side seam slit. CAHN-WD77. 230726. 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