Oura Ring Guide · 2026-08-05
How to Choose the Right Size for Your Oura Ring 4 Jacket
Choose a BandRain Oura Ring 4 Jacket by matching your ring’s exact numbered Oura size—without sizing up for the 0.6 mm cover.
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Journal.
Answer-first guides for Oura Ring protection, fit, charging, care and new-product development.
Product Notes · 2026-07-28
Meet the BandRain Oura Ring 4 Jacket: A 0.6 mm Ceramic-Look Cover
A first look at BandRain’s ultra-thin ceramic-look TPU jacket for Oura Ring 4, plus an update on our next color set and Oura Ring 5 development.
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