How UPF Degrades in Rashguards: The UV Protection Lifecycle No-Gi Athletes Ignore
UV protection in rashguards isn’t permanent — chlorine, sweat, and sunlight strip UPF over time. Here’s the degradation curve outdoor no-gi grapplers need to track.
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Rashguard UV Protection: What UPF Ratings Mean for No-Gi Grapplers
UPF 30, UPF 50+, and the numbers between them aren’t marketing. Here’s what the rating actually measures, why no-gi grapplers benefit from it more than most athletes, and how to read a rashguard tag without getting fooled by vague claims.
