The speedo fastskin prime mirror are speedos most hydrodynamic fully customisable swimming goggles offering 16 possible different colour combinations to suit your personal preferences and style these functional and comfortable goggles with a stylish design ensuring a personalised look deliver superior uv and anti fog protection and have been approved by international swimming federation fina they boast iqfit technology with a patented 3d goggle seal for a precision fit and leak free perfor