Simplicity 7827; ©1977; A "How To Sew" pattern. Misses' Lined and Unlined Blazers (Including a Lesson Chart ... "How-to choose and use interfacing"): Lined blazer V. 1 and unlined blazer V. 2 have front button closing, notched collar and set-in sleeves. V. 1 has long sleeves with button trim. Top-stitched V. 2 has short sleeves.