Evans Hybrid Marching Drumhead 14" Snare SideEVANS Hybrid Series Marching Snare Side drumheads feature high tensile fibers in an open weave pattern embedded between two ultra thin layers of clear film. These drumheads produce the sound and sensitivity of a polyester bottom head with the stretchy resistance of aramid fiber. Ply: 1 Technology (Treatment): Standard Made using embedded high tensile fibers between two ultra thin layers of clear film. Provides more stretch than a polyester bottom