Evans‚Ñ¢ Calftone drumheads are a synthetic alternative to traditional calfskin. They embody the look and sound of a natural skin but with the consistency, fit, and tuning range made standard with Level 360 Technology‚Ñ¢. These heads bring out the best of a vintage kit and evoke a classic appearance and sound from modern drums.Calftone is made using a 12mil Mylar base blended with unique materials to produce warm, full, and rich tones. Combined with EMAD features, these heads have the benefit of adjustable damping for added attack and focus. Features Calftone is a synthetic alternative that embodies the look and sound of traditional calfskin Made using a blend of unique materials to produce warm, full, and rich tones Externally Mounted Adjustable Damping system allows the player to adjust, attack, and focus Exclusive Evans Level 360 Technology collar design ensures proper contact between drumhead and drum shell Bring out the best of a vintage kit and evoke a classic appearance and sound from a modern drum Specifications Treatment: Calftone Technology: EMAD WATCH: Evans Drumheads: Calftone Bass Heads