Barz Optics Floating Sunglass Retainers PTHC-12PD12 This highly sorbent pad features

This highly sorbent pad features a low-profile design

scuff marks and rust from fibreglass

Improved drain plug

Capable of retaining strong bonds during vibration

Barz Optics Floating Sunglass Retainers PTHC-12PD12 This highly sorbent pad featuresProbably Barz Optics most best floating sunglass retainer with the most buoyancy. It has an adjustable toggle to assist in keeping the glasses on your head. It has 2 black rubberised tubes on each end which will suck onto most sunglass temples (except really wide ones). It will have no issues with polycarbonate, TAC or CR39 lenses glasses and should float even sunglasses with glasses lenses. However, advisable testing them in still water before you