Pack Run Visor R-Solid Black: Pack Run Visor. Flexible and extremely light visor and headband combo: avoid blinding and stay against UV radiation. Adjustable fit, great breathability and ultimate sweat absorbing stand out among the features of an extremely easy to pack visor. On top of it all, it packs into a tiny ball without losing its original shape once released. Designed for the high performance accessories seeker, the pack concept by BUFF® is the base of our most technical caps and visors. Developed in our design labs and fully tested by top BUFF® ambassadors, our packable designs can be folded inside a hand, twisted and packed into the smallest pocket without losing its shape once released. Design: Solid. One size.