Croft Mill

Closet Core Patterns - Jasika Blazer Pattern (Sizes 0-20)

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(Low stock: 1)

Difficulty: Advanced

Size: 0-20 (approx. UK 6-20 based on our size chart)

Please always check the pattern size chart and finished garment measurements.


The Jasika Blazer is a timeless, tailored jacket with a semi-fitted shape that will always remain fashionable. It has just the right amount of refinement and detail, making it a versatile and valuable addition to your wardrobe. The instructions use contemporary speed tailoring techniques, fusible interfacings, and minimal hand sewing to make tailoring fun and accessible for everyone; you can make a blazer that you'll cherish for years to come!

This jacket is fully lined and features a classic notched collar, single-button closure, back vent, shoulder pads, welt pockets, and stunning two-piece sleeves. You can also opt for additional details like pocket flaps, topstitching, decorative sleeve cuff buttons, and leather or suede elbow patches.

Fabric Reccomendations

Jacket body: medium to heavyweight suitings or lightweight coatings with surface texture such as wool melton, wool flannel, crepe and tweed. Velvet, medium-heavy weight cotton, seersucker and linen may also be used.

Please note: tightly woven, smooth surfaced suitings like wool gabardine are not recommended as they can be difficult to fuse with an iron. 

Lining: rayon bemberg, charmeuse, crepe de chine, smooth and silky cottons such as voile

Pockets: sturdy cotton like shirting, quilting cotton or muslin (1/4 yd / .25m)


Fusible weft interfacing (1.5 yd / 1.4m); Fusible knit interfacing (1yd / .8m); Horsehair canvas (1/4 yd / .25m); Polyester thread; Optional: topstitching thread for collar; Optional: silk basting thread; Cotton stay tape 1/4" wide x 2.5 yds / 2.4m; Shoulder pads - 1/4" - 3/8" thick; Sleeveheads or lambs wool/cotton batting cut into 2" wide bias strips; Optional: Leather or suede for elbow patches; Lapel button: 1 x 3/4" (19mm); 1 x clear button; Optional: Sleeve buttons: 6 x 5/8" (16mm); Marking tool / tailor's chalk; Handsewing needles & thimble; Tailors ham and seam roll; Press cloth (cotton or silk organza); Pinking shears; Point presser or wood clapper; Steam iron

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