Sailfish? Never heard of 'em, think ya mean saylfish there pal. Specs: • 100% cotton face • 65% cotton, 35% polyester • Charcoal Heather is 55% cotton, 45% polyester • Fabric weight: 8.5 oz/y² (288.2 g/m²) • Tightly knit 3-end fleece Disclaimer: This sweatshirt runs small. For the perfect fit, we recommend ordering one size larger than your usual size.