A weft-insertion fusible knit — a knit base with woven yarn inserted across the grain — that gives you the soft hand of a knit with the directional control of a weave. Whisper Weft is what professional tailors and shirtmakers specify when they want a fusible that behaves like a sew-in: stable, breathable, never boardy.

Ideal for:

Tailored jackets, blazers, and suits
Dress shirt collars and cuffs needing soft structure
Dressmaking on wool, linen, and structured wovens
T-shirt quilts and memory quilts
Behind-the-design embroidery stabilization

How to fuse: Iron on wool setting with steam. Place adhesive side down on the wrong side of fabric. Press firmly 10–15 seconds, lift and repeat — do not slide. Test on a scrap first.

Specifications:

Type: Weft-insertion fusible knit interfacing
Weight: Medium
Width: 20 inches
Bolt length: 30 yards
Colors: White, Black
SKUs: 88022 (White), 88025 (Black)

See it in action: Vest with Whisper Weft Project — soft-tailored vest construction using weft-insertion fusible interfacing. Free project with full instructions.

Sold by the bolt. Wholesale and trade pricing available — contact us for an account.

Whisper Weft Fusible Knit Weft-Insertion Interfacing