Details, Size & Fit. The Acid Hood Muscle from Silent The oryhas a relaxed look and feel perfect for weekend dressing. We love The acid-washed finish and hooded design. Our model.is wearing a size large muscle, and usually takes a size medium/40 shirt. He is 6’1” (186cm) tall with a 39” (99cm) chest and a 33” (84cm) waist. Length: 76cm Relaxed fit Jersey fabric Lead grey shade; acid-washed finish Drawstring hood Raw-edge armholes Dipped hemline.Please refer to The garment for care instructions. Length: 76cm.fabric / material: NA.SKU: SI046AA67WOY.