Gusset

A gusset is a small insert of fabric (most often diamond- or triangle-shaped) sewn into the joining point of pieces, usually under the arm, at the crotch or on the sides, to add freedom of movement and strength to a garment. Historically the gusset is an ancient construction device, characteristic of the folk cut of shirts (including Ukrainian vyshyvankas), where rectangular pieces were joined with diamond inserts under the arms. A gusset relieves tension at the points of greatest load, prevents the seam from tearing and allows the arms to be raised freely. It is the 'invisible hero' of the cut: imperceptible but important for comfort and durability. A gusset is a construction insert detail, in which a small piece of fabric at a joining point adds freedom of movement, strength and comfort to a garment, embodying the clever engineering of traditional and modern cutting.