Sew-in or fuse-in interfacing: Both types have ad- vantages and disadvantages that should be considered for each garment. —Softer, more subtle shaping. —Usable with both woven and knit fabrics. —May soften somewhat after washing.

Does fusible interfacing soften when washed?

Some fusible interfacings will shrink when washed in your final garment. This will cause them to pull away from the fabric, creating “air bubbles”. Not a nice look! Pre-shrinking your interfacing will help stop this.

How do you soften interfacing?

For best results, place rough adhesive side of soften on the back side of your fabric. Then use a dry cotton setting cloth and with the iron set to cotton or linen setting, apply pressure and heat for 30 to 40 seconds. Soften interfacing comes in 19" wide by 20 yards rolled.