I've been using them for a few months now and I really like them. No more curved plastic supports. Two sizes are a good option and the bottle is convenient for storage.
Optimized Classic Leather Ratchet Click Men's Accessories and Belts
50 Review
Experience Lightweight Durability π with Horizon Gunmetal Ultralight Black Strap
54 Review
Nathan Zipster Running Waist Black Men's Accessories
60 Review
Spec Ops Brand 100150101 Better Regular Men's Accessories
51 Review