ALPINESTARS SM3 Helmet - Heat - Gloss Yellow Fluo/Black - XS 8301026-5011-XS Nitrate 6mm Voice Coil Former Material

6mm Voice Coil Former Material  Glass fiber Winding Material  CCAW Cone Material Paper Dust Cap Material N/A Bullet Material Aluminum Surround Material Cloth Basket Material  Aluminum Basket Color Black Sandblasted Magnet Material Ferrite + Neodymium Magnet Weight 30 + 3 Oz Displacement Volume 0

Secure Storage for Rifle Mags: This case is designed to hold up to six rifle magazines

5 Amp (USB) Number of USB Ports: 2 (1 x Front

Diameter： 50mm (4x)

and voltage protections: the XXL1B stays cool and safe no matter how hard you push it

ALPINESTARS SM3 Helmet - Heat - Gloss Yellow Fluo/Black - XS 8301026-5011-XS Nitrate 6mm Voice Coil Former MaterialVaried thickness shell construction for optimized protection and light weight 6 piece EPS liner with three different densities Polished inner EPS liner with special coating to reduce friction with comfort liner for rotational impact management One outer shell and two inner EPS liner sizes, with optional + 5 mm cheek pads for a tailor made fit Breakaway visor