Interlock Knit Fabric
Interlock knit fabrics are different than your traditional knit fabric. This knit fabric is a variation of rib knit construction. The nature of this construction makes it have built-in stretch and makes it drapes well on the body. In this case, it is even better with this type of fabric due to the front and back being identical. This creates the impression that the fabric is comprised of two layers though they can’t be separated. This is why it’s categorized as a double-knit fabric.
You can tell this fabric apart from regular stretch knit fabrics by the rows, or ribs, of a ‘V’ shape down the face and back of the fabric, making the front and back look the same. Essentially, the two sides are knitted together at the same time on one machine and remain interlocked to be thicker than other knit fabrics. Interlock also has the tightest knit, giving it the smoothest surface and nicest hand.
Interlock Fabric Characteristics
Interlock fabrics are both easy to work with and comfortable to wear. It is extremely soft, firm, and absorbent making it ideal for activewear. Not only do interlocks have a great amount of stretch, but the fabric has a good recovery. This means that interlock knit fabric will return to its original shape after it has been stretched out. This sturdy interlock knit prevents runs and will not unravel or curl at the edges. Overall, these qualities make it an ideal legging, dress, activewear apparel fabric!