"A trend without a name has, for the past few years, spread throughout the fashion industry: exposed, decorative seams sewn on a machine called a serger (also known as an overlock machine), a style I’ve been calling “sergercore.” You are probably wearing serged seams right now: Turn your T-shirt inside out and look for two straight lines of stitching with an interlocking wiggle of thread between them. Sergercore puts these seams on the outside of the garment or uses them to finish a hem without hiding it behind a fold. (The technique is a cousin of the lettuce hem, which involves serging a stretch fabric with settings adjusted to create a ruffle.)"

Read the full article here.