Closet Core Patterns Jasika Blazer

Closet Core Patterns


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Buy the Jasika Blazer sewing pattern from Closet Core Patterns. The Jasika Blazer is a classic tailored jacket with a semi-fitted shape that will never go out of style. With just the right amount of polish and detail, Jasika is a wardrobe workhorse and a mighty skill builder. The instructions use modern speed tailoring methods, fusible interfacings and minimal hand sewing to make tailoring fun and accessible for everyone. Make a blazer you’ll want to wear forever!

This jacket is fully lined and features a classic notched collar, single button closure, back vent, shoulder pads, welt pockets, gorgeous two-piece sleeves and a flattering shape that skims the curves of the body. Optional details include pocket flaps, topstitching, decorative sleeve cuff buttons and leather or suede elbow patches.

This sewing pattern is available to buy in the following format:

– PAPER (next working day dispatch on orders and FREE UK delivery over £50)

Suggested fabrics:

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 since they can be difficult to fuse using an iron.

Lining: Rayon bemberg, charmeuse, crepe de chine, silky cottons like voile.

Pockets: Sturdy cotton like shirting, quilting cotton or muslin.

Fabric requirements:

45″ (114 cm) wide fabric: Jacket body: Sizes 0-8 = 2.5 yd (2.3 m) / 10-14 = 2.75 yd (2.5 m) / 16-20 = 3 yd (2.75 m) // Lining: Sizes 0-8 = 1.5 yd (1.4 m) / 10-20 = 2.25 yd (2 m).

58″ (150 cm) wide fabric: Jacket body: Sizes 0-8 = 1.75 yd (1.6 m) / 10-14 = 2 yd (1.85 m) / 16-20 = 2.25 yd (2 m) // Lining: Sizes 0-14 = 1.5 yd (1.4 m) / 16-20 = 1.75 yd (1.6 m)

Pockets: 0.25 yd (0.25 m)

Sizing: 0 – 20 (approx. UK 6 – 20). Please check the size chart and finished garment measurements.

Notions: Fusible weft interfacing (1.5 yd/1.4 m); fusible knit interfacing (1 yd/0.8 m); horsehair canvas (0.25 yd/0.25 m); 1/4″ wide cotton stay tape (2.5 yd/2.4 m); shoulder pads (1/4″-3/8″ thick); sleeveheads or lambswool/cotton batting cut into 2″ wide bias strips; optional: leather or suede for elbow patches; one lapel button (3/4″/19 mm); one clear button; optional: six sleeve buttons (5/8″/26 mm); handsewing needles and thimble; tailors ham and seam roll; press cloth (cotton or silk organza); point presser or wood clapper; polyester thread; optional: topstitching thread for collar; optional: silk basting thread.

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Additional information


Heavyweight Cotton, Linen, Velvet, Wools

Make time

All weekend or longer

Sewing level

Intermediate, Advanced


UK 6 / US 2 / EU 34, UK 8 / US 4 / EU 36, UK 10 / US 6 / EU 38, UK 12 / US 8 / EU 40, UK 14 / US 10 / EU 42, UK 16 / US 12 / EU 44, UK 18 / US 14 / EU 46, UK 20 / US 16 / EU 48

Pattern format


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