BUTTERICK B7087 is a paper sewing pattern for a boys' blazer and pants pattern. The lined blazer has a notched collar with trim, semi-fitted shape, front waist darts, flap pockets, back vent and faux button sleeve details; the coordinating pants include a button-front waistband, fly and side slash pockets. This envelope includes size range 3-4-5-6-7-8. Suggested fabrics include Cotton Blends, Flannel, Gabardine, Lightweight Denim, Linen Blends, Stretch Wovens, Twill. Lining: Cotton Blends, Polyester Blends. Interfacing: Lightweight Fusible. Sewing rating: Average.