adidas Feather Shuttlecock FS3 is a Grade B, Duck Feather shuttlecock. This shuttlecock provides extra durability thanks to its duck feather combined with adidas unique proprietary epoxy resin formula. This is made from Shui Duck feather and made of 2 layers of cork and this shuttlecock can be used in all competition levels
Specification: 1 cork layer + 1 compound cork layer, Shui duck B Grade feather, league standard