The Evans™ Hybrid™ Series Marching Snare Side drumhead features high-tensile fibers in an open weave pattern embedded between two ultra-thin layers of clear film to produce the sound and sensitivity of a polyester bottom head with the resistance to stretch that is closer to aramid fiber. Evans Hybrid Series Marching Snare Bottom drum heads are imbedded with high-tensile fibers in an open weave pattern between two ultra-thin layers of clear film. The Hybrid marching snare side head produces the sound and sensitivity of a polyester bottom with a resistance to stretch that is closer to Kevlar., 14" Hybrid Marching Snare Bottom head is made using imbedded high-tensile fibers between two ultra-thin layers of clear film, Produces that sought after drum corps sound while providing less stretch than a polyester bottom head, Produces a more crisp snare response than a standard Kevlar bottom head, Projects in the largest of stadiums while controlled in the indoor environment, All Evans drum heads are designed, engineered and manufactured in the USA