Whisper Weft is a weft-insertion, fusible knit interfacing available in 20 inches wide x 30-yard bolts in black and white.
It is made of 60% polyester/40% rayon.
Whisper Weft combines the stability of a woven interfacing with the drapeability of a knit. This lightweight interfacing is soft and supple and made for tailoring applications such as collars and lapel shaping on light- to medium-weight fabrics. It comes in black and white.