Detail from 1780s French Linen men&#39;s shirt. Gussets below the arm were used to allow freedom of movement while the gusset on the shoulder assisted with fit, allowing the fabric to not pull tightly through the neck and chest.Fashion 1700, 1780S French, French Linens, Linens Men, Men Shirts, Allowance Freedom, 18Th Century Fashion Men, Pulled Tights, French Dress 18Th