The Proviz REFLECT360 running visor is part of Provizs ever-growing range that has been so popular all around the world since its launch in 2014. The 100% reflective running visor is completely reflective Constructed from a mesh-like fabric to give it fantastic breathability ...The Proviz REFLECT360 running visor is part of Provizs ever-growing range that has been so popular all around the world since its launch in 2014. The 100% reflective running visor is completely reflective Constructed from a mesh-like fabric to give it fantastic breathability During the day this cap is a modest grey but at night it really shines! Fully adjustable to fit almost all head-sizes up to 64cm.