New Mueller by Douglas Football Collar Black White OSFA 420301 Gray Countervail Vibration Canceling Technology so PHG3000A Half Finger XL Ebay Countervail Vibration Canceling Technology so that the player never has to sacrifice power for comfort brand new and exclusive to STX Field Hockey 70 percent carbon composition for the advanced athlete Balanced bow shape for the upright the ATAC alloy is infused with CARBON CORE technology guaranteeing the thinnest walls that just barely make the legal limit Does not trap body heat like conventional collars Does not float around bolted to the shoulder pad vs tied Closer to the helmet than conventional collars No sizes