A rash guard does three things: blocks UV radiation, prevents board rash, and keeps you warm in and out of the water. The right rash guard is the one you forget you're wearing — stretchy enough to not restrict movement, fast-drying enough to not weigh you down, and protective enough to actually do its job.

In this guide
1. O'Neill Basic Skins — Best overall rash guard 2. Hurley Phantom Quick Dry — Best for surfing 3. Quiksilver All Time — Best men's long sleeve 4. Roxy Whole Hearted — Best women's rash guard How to choose the right rash guard

1. O'Neill Basic Skins — Best Overall

// top pick
O'Neill Basic Skins Long Sleeve
Flatlock stitching, UPF 50+, stretchy neoprene blend — the no-nonsense pick
UPF 50+ sun protectionNeoprene blendFlatlock stitchingQuick-dryMen's and Women's
O'Neill has been making water sports apparel for decades and the Basic Skins is the rash guard that everything else is measured against. Neoprene blend material stretches in every direction without restricting paddle strokes or arm movement. UPF 50+ blocks 98% of UV radiation — more effective than most sunscreens and it doesn't wash off in the water. Flatlock stitching lays flat against the skin to prevent chafing during repeated friction against a board. Quick-dry material means it's not a wet weight anchor after you get out. Available in both men's and women's fits.
~$29–49
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2. Hurley Phantom Quick Dry — Best for Surfing

// surfer's pick
Hurley Phantom Quick Dry Long Sleeve
Dri-FIT technology, 4-way stretch, designed specifically for surf movement
Nike Dri-FIT technology4-way stretchUPF 50+Mesh panels for ventilationSurf-specific cut
Hurley's Phantom line uses Nike's Dri-FIT technology — the same moisture management fabric used in athletic performance gear. 4-way stretch moves with every duck dive, paddle, and pop-up without pulling or bunching. Mesh panels under the arms provide ventilation for high-intensity sessions. The surf-specific cut is longer in the back to prevent the shirt riding up when you're prone on the board. For surfers who spend multiple hours in the water, the Phantom's performance materials make a noticeable difference compared to standard rash guards.
~$39–59
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3. Quiksilver All Time — Best Men's Long Sleeve

// men's pick
Quiksilver All Time Long Sleeve Rashguard
Recycled fabric, UPF 50+, four-way stretch — Quiksilver quality at a fair price
Recycled polyesterUPF 50+4-way stretchSlim fitAvailable in multiple colors
Quiksilver has been dressing surfers since 1969 and the All Time Rashguard is their solid everyday option. Recycled polyester construction is a sustainability upgrade without compromising performance. UPF 50+ throughout. Four-way stretch handles the full range of surf motion. Slim fit sits close to the skin without being restrictive — which matters when you're lying prone on a board and don't want excess fabric bunching under your chest. Good color range, reliable quality, and a price point that doesn't require commitment.
~$39–49
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4. Roxy Whole Hearted — Best Women's Rash Guard

// women's pick
Roxy Whole Hearted Long Sleeve Rashguard
Women's-specific fit, UPF 50+, flatlock seams, available in great colorways
Women's-specific cutUPF 50+Flatlock seamsBody-mapped fitCoordinates with Roxy swimwear
Roxy is the leading women's surf and beach brand and the Whole Hearted is their flagship rash guard. The women's-specific cut is body-mapped to fit the female form without the boxy drape of unisex options. Flatlock seams prevent chafing at high-friction points. The longer body length stays tucked into board shorts or bikini bottoms during active sessions. Roxy's color and print range is the most extensive in the category — which matters if you're going to be in this thing for hours. UPF 50+ protects effectively for full-day sessions.
~$39–55
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How to choose

Long sleeve vs short sleeve. Long sleeve offers more UV protection and slightly more warmth in the water. Short sleeve gives more arm freedom and feels less restrictive on hot days. For most water sports, long sleeve is the right call — the UV protection is significant over a full season.

UPF rating matters. UPF 50+ blocks 98% of UV radiation. A white cotton t-shirt provides roughly UPF 5. The difference over a summer of daily beach sessions is the difference between a tan and serious sun damage. Don't skip the UPF rating.

Flatlock stitching prevents rash. Standard stitching creates raised seams that abrade skin during repeated motion — exactly the kind of chafing that gives rash guards their name. Flatlock stitching lays flat against the skin. Always check the seam construction.

Size to your measurements not your shirt size. Rash guards should fit snug — loose rash guards bunch up under you on the board and against the seat of a kayak. Most brands have detailed sizing charts based on chest and height. Size down if you're between sizes.

Our bottom line
For most people the O'Neill Basic Skins is the right call — proven quality, fair price, works for every water sport. Surfers who want performance materials should invest in the Hurley Phantom. Best women's option in the category is the Roxy Whole Hearted. Buy long sleeve, check the UPF rating, and wear it every single session.
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