webosstex
https://www.webosstex.com/product/sleeve-head/
Sleeveheads are vital garment accessories designed to enhance the structure and finish of sleeve caps. Positioned between the sleeve and the shoulder seam, they provide smoothness and volume to the upper sleeve area, ensuring a clean and professional appearance. Typically made from materials like felt, foam, polyester, or cotton, gathered sleeve head are widely used in tailored garments such as suits, coats, and jackets to achieve a refined silhouette.