Multifilament Synthetic. You can expect enhanced dynamic performance, added comfort and enhanced durability from Tecnifibre’s Multifeel 16 string. Players looking for an easy-on-the-arm feel will love this softer string. A central monofilament provides 45% more durability compared to most popular performance synthetic gut strings. Features a Anti-Abrasion Coating of SPL Silicone Pyrogene Lubritec.