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#4541
#4543

Fitted Collared Long Sleeve Blazer

Pattern #4542

This sophisticated women's sewing pattern for a fitted blazer, drafted to your own measurements, features a gracefully draped collar, structured paneling, and a stylish peplum hem. Its sleek silhouette and defined waist make it suitable for professional settings, smart casual events, or fashion-forward styling. You can also choose a standard size if preferred.

Tech. Description

Fitted Collared Long Sleeve Blazer

Introducing a sophisticated women's sewing pattern for a fitted blazer, featuring a wide shawl collar, structured paneling, and a stylish peplum hem.

When To Wear:

  • Professional Settings: Ideal for office wear, business meetings, or presentations, offering a polished and authoritative look.
  • Smart Casual & Evening Events: Perfectly suits dinner dates, semi-formal gatherings, or any occasion requiring sophisticated attire.
  • Fashion-Forward Styling: a statement piece to elevate everyday outfits or complement tailored trousers and skirts.

Key Design Features

Silhouette: a sleek, fitted silhouette through the bodice, accentuated by a defined waist and a stylish peplum at the hip.

Collar & Neckline: Features a wide shawl collar with a center back seam that forms a deep V-neckline, creating an elegant open front effect.

Closure: Designed with a single decorative fastener at the center front waist, ensuring a clean and modern closure.

Sleeves: Long, two-piece set-in sleeves are meticulously shaped for a tailored and comfortable fit.

Back: Constructed with a center back seam, princess seams and shoulder darts, joined to a separate lower back peplum at the waist, providing excellent shaping and a flattering contoured fit.

Hem: The lower portion of the blazer forms a distinctive peplum joined at the waist seam, with a pleat on each lower front.

Length: Finishes at a versatile hip length.

Level Of Difficulty

Advanced. This project requires confident tailoring skills, including precise panel construction, detailed collar and lining application, and the insertion of shoulder pads and sleeve heads.

Fabric Recommendations

Choose elegant suiting fabrics that offer both structure and a graceful drape:

  • Thin, pliable suiting fabrics made from natural or blended fibers.

Additional Supplies

  • Fusible interfacing
  • Lining fabric
  • Decorative fastener
  • Shoulder pads
  • Sleeve heads

Cutter's Must

If the patterns have a double contour, seam allowances are included. If the contour is single, seam allowances are not included. Seam allowances: all seams 1 cm. Hem allowance for sleeve hem - 3.0 cm. Attention! First, print out the paper patterns and lay them out on the fabric width (fabric width can be from 90 cm to 150 cm) to determine how much material you will need (do not forget to account for paired and symmetrical details). When stitching pieces, pay attention to the notches - they must match!

  • From main fabric:
    • Center Back – 2 pieces
    • Side Back – 2 pieces
    • Side Front – 2 pieces
    • Center Front – 2 pieces
    • Lower Back – 1 piece
    • Lower Front – 2 pieces
    • Collar – 4 pieces
    • Upper Center Front Facing – 2 pieces
    • Lower Center Front Facing – 2 pieces
    • Back Neckline Facing – 1 piece
    • Upper Sleeve – 2 pieces
    • Lower Sleeve – 2 pieces
  • From lining fabric:
    • Center Front – 2 pieces
    • Side Front – 2 pieces
    • Center Back – 2 pieces
    • Side Back – 2 pieces
    • Upper Sleeve – 2 pieces
    • Lower Sleeve – 2 pieces
    • Lower Back – 1 piece
    • Lower Front – 2 pieces

    Attention: Front and back lining pieces are cut according to the main fabric patterns, subtracting the width of the front facings and back neckline facing, respectively.

  • From fusible interfacing:
    • Center Front – 2 pieces
    • Collar – 2 pieces
    • Upper Center Front Facing – 2 pieces
    • Lower Center Front Facing – 2 pieces
    • Back Neckline Facing – 1 piece

Sewing Instructions

  1. Fuse interfacing to the Center Front, Collar, front facing and Back Neckline Facing pieces, as well as the hem of the garment and sleeve hems.
  2. On the Center Back pieces, stitch the darts and press them towards the center. Stitch the Center Back to the Side Back pieces (princess seams) and press open. Stitch and press open the center back seam. Attach the Lower Back to the back.
  3. Stitch the Center Front to the Side Front pieces (princess seams) and press open. On each Lower Front, fold and secure the pleat. Attach the Lower Front to the front.
  4. Stitch and press open shoulder and side seams of the jacket.
  5. Place the Collar pieces in pairs right sides together and stitch the center back seams of the upper collar and of the under collar. Press seams open. Place the upper and under collars right sides together and stitch the ends and outer edge. Trim seam allowances at corners, clip curves. Turn collar right side out, shape, and press. Attach collar to neckline and front edges.
  6. Stitch the Upper Sleeve to the Lower Sleeve along the elbow seam and press open. Press up the sleeve hem. Stitch and press open the front seam of the sleeve.
  7. Set sleeves into armholes, matching notches and easing the sleeve cap. Insert the shoulder pads and sleeve heads.
  8. Join the Upper Center Front Facing to the Lower Center Front Facing. Stitch and press open the shoulder seams of the Back Neckline Facing and the front facings. Stitch and press open the side seams of the inner (lining) Lower Back and Lower Front pieces. On the lining fabric pieces, stitch seams and set sleeves, leaving an opening in the front left sleeve seam. Attach the lining to the inner edges of the front facings and back neckline facing. Attach the lining Lower Back to the lining. On the lining Lower Front, fold a pleat as on the main fabric.
  9. Sew the decorative fastener into the seam joining the upper and lower front parts.
  10. Place the front facing on the right side of the front, right side down, pin, and stitch all around the front edge, neckline, and bottom of the garment. Trim seams at corners, clip curves. Turn the jacket right side out, shape seams, press.
  11. Attach the lining to the sleeve hem. Stitch a securing line under the collar, topstitching the main garment to the front facing. Secure the jacket to the lining along the attachment line of the lower parts. Stitch the opening in the sleeve closed.

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