YJACK specializes in crafting Men’s and Women’s clothing staples using the exclusive fabric, EXFINA. This fabric is made of high-quality fibers, and it undergoes a specialized process called EUT that removes any stray fibers that cause natural pilling. All YJACK styles were designed by a team of women and the silky-sheen garments are long-lasting and comfortable for everyday wear. yjackusa.com