Regulate UPF50+ Base Layer - Mens Long Sleeve - Navy

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ARPANSA-certified UPF 50+ protection for long hours on the water. Soft, close-fitting performance fabric that layers clean under your unisuit — light enough for race day, comfortab le enough for every session in between. Full sleeve coverage with a mesh underarm panel for ventilation. Reflective TUCK logos for a clean finish. Features ARPANSA-certified UPF 50+ sun protection Full sleeve coverage Soft premium performance fabric Mesh underarm panel for ventilation Lightweight — layers under unisuits and outerwear Reflective TUCK logos Men’s and women’s tailored fits Sizing Use your body measurements for best fit. Refer to the size guide above. Need help? [email protected] ✓ Fits true to athletic sizing. If you're between sizes, size up. ✓ Not the right fit? Email [email protected] and we will make the exchange process as smooth as possible. Show more