flatlock stitch seam activeseam merino wool thermal underwear

The Merrow MB-4DFO 2.0 sews all three versions of ActiveSeam - Infused, Comfort, and Slim. ActiveSeam is an alternative for flatlock.

Flatlock seam, flatlock stitch, iso 607

Activeseam: The Stitch Profile

Womens Striped Merino Wool Base Layer

BTEXCO Products

VIOMODA ActiveSeam™

activeseam, active seam

MERROW Sewing Machines – Dunlap Sunbrand International, Inc.

95% merino wool 5%nylon mesh fabric

Athletik Clothing Production in Asia

activeseam, active seam

Merino Wool Underwear