Underbust-Seam Bell-Sleeve Top PDF Sewing Pattern

Prepared after purchase. Digital delivery within 1 business day. A shaped underbust seam separates the deep V front from the smooth fitted torso in this planned knit top. Long sleeves open gradually into bell-shaped wrists, while a narrow tie bridges the low U back.

A shaped body with continuous bell sleeves

• Deep V front finished with a narrow matching knit binding
• Gently curved underbust join rising slightly at the center front
• Separate lower torso panel shaped at the waist and ending at the upper hip
• Dropped shoulder joins on the upper arms and long sleeves flaring to plain wrist hems
• Deep rounded U back ending at a horizontal upper-midback seam
• Narrow self-fabric tie across the high upper back, with a closed lower back below the seam

The sleeve flare is continuous; there is no separate cuff or flounce. The body has no waist seam, peplum, side gathering, buttons or zipper. Slate blue and cinnamon show the same planned design. The ivory trousers in the previews are styling only.

Fabric and fitting

An opaque, soft stretch jersey with dependable recovery is the starting point for this Sewlore interpretation. Choose a fabric that falls gently in the sleeves while keeping the bound neckline stable. A heavy knit may pull the neckline downward; a very loose knit may not hold the underbust shape. Final stretch requirements, seam finishes and material quantities will be established during preparation.

The English guide will address the curved underbust join, narrow binding, tie attachment and flexible sleeve hems. A full fitting sample should check the seam position beneath the bust, neckline coverage, tie reach and sleeve clearance while moving. The rear tie connects the upper edges; it does not provide bust support or replace a fitted back. Adjust neckline depth and torso length during the sample stage before cutting final fabric.

For a higher neckline and plain body, compare the boat-neck knit top. For a front-opening layer with narrow sleeves, see the cropped V-neck button cardigan. Explore other knit sewing patterns.

Your digital order

Your $25 USD order covers preparation of an English PDF sewing pattern and sewing guide for this design. Drafting begins after purchase. This First Release has not yet been drafted, sewn or fit-tested. Final sizing, finished measurements, material quantities, print formats, layouts and PDF page counts will be confirmed during preparation. Please contact Sewlore before ordering to check measurement suitability. Custom fitting is not included; make a complete fitting sample before cutting final fabric.

We will email your download link within 1 business day of payment, Monday to Friday, by the end of the next business day in Istanbul time (UTC+3). Files are not available for instant download. No finished garment, fabric or printed paper pattern is shipped. Read our pattern preparation and delivery details.

Images are AI-generated design previews, not photographs of sewn or fit-tested garments. Both colors belong to the same planned pattern.