Please Note: New mods for PSVR2 here:
PSVR2 Deluxe Comfort Strap
PSVR2 Ultimate Comfort Kit 150 Gram (5 Oz)
 
PSVR1 Comfort strap details:

Please Note: This OG PSVR1 Strap has now been updated to our V2 PU Leather Apache version
 
Improves comfort by balancing front weight for long game sessions. The ultimate cheap fix for headsets with the broken rubber band issue

This strap is designed to work with the rubber bands disabled (step by step guide to release bands included) Please note unclipping the rubber tensioners will not affect the tightness dial on the back of the PSVR strap
 
More info and instructions here LINK
Reddit review 1  LINK
Reddit review 2  LINK
Etsy customer feedback here: LINK
 
Cleaning tips: Easily remove dust with vacuum brush attachment, Tape or lint roller Wipe surface clean with damp cloth. If necessary lightly soak in water Sponge dry with towel and leave in warm area. Do not twist dry or machine wash