Simplicity 2177; ©1957; Jr. Misses' and Misses' One-Piece Dress with Detachable Collar: All views have slit opening at front neckline; short kimono sleeves and straight lines. V. 1 and 2 have elastic casing to define waistline. V. 1 has collar; waistline is detailed with 2 button-trimmed belts. V. 2 has contrast detachable collar over self collar. Belts tie at each side of front. V. 3 has no collar or elastic at waistline.