Sundercover

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Sun Protection | UPF 50+ Fabrics | Unisex Hat Liners, Caps and Apparel | Women Owned | Cancer Prevention

From innovative hat liners that make your favorite hats UPF 50+, to performance apparel, we deliver sun protection without sacrificing style.

See the guy on the left? No hat, no shirt, no sunglasses, sitting exposed for hours on open water. Between the direct su...
08/12/2026

See the guy on the left? No hat, no shirt, no sunglasses, sitting exposed for hours on open water. Between the direct sun and the glare bouncing off the lake, he's stacking up UV exposure fast — and probably won't feel it until tonight.

Water trips are sneaky for sun damage because:
🌊 Water and metal/boat surfaces reflect UV rays back at you — you're getting hit from two directions
💨 A breeze on the water makes you feel cool, so you don't notice you're burning
⏰ Hours on a boat = hours of continuous, often unbroken exposure
☁️ Cloud cover (like on this day) still lets most UV through — overcast isn't a free pass

What the other guys are doing better:
🧢 Hats to shield the face and scalp
😎 Sunglasses to protect the eyes and thin under-eye skin
👕 Shirts = built-in SPF wherever they're covered

Moral of the story: reapply sunscreen every 2 hours on the water, cover up with UPF50 hats, clothing and sunglasses when you can, and don't let a breeze fool you into thinking you're safe.

Don't be the guy on the left. 😬

Be prepared. Stay Sundercovered - www.sundercover.com

For the mornings that start chilly and don't stay that way. 🌤️Full coverage, cozy fit — built for boat days, hikes, and ...
08/10/2026

For the mornings that start chilly and don't stay that way. 🌤️

Full coverage, cozy fit — built for boat days, hikes, and everything between shade and sun.

Shop Sundercover® UPF50 Hoodies — with back graphic (Manomet) or without (Humarock), or choose the Inspired by Leah option that supports and their important research. See link in bio.

🌟Use code FREESHIP at checkout on all orders over $50.

☀️ Pool day essential: sun protection isn't optional.Water doesn't block UV rays — it reflects them. Up to 10% extra UV ...
08/07/2026

☀️ Pool day essential: sun protection isn't optional.

Water doesn't block UV rays — it reflects them. Up to 10% extra UV exposure bounces off the surface and hits you from below, on top of what's already coming from above. That's why you can get scorched even when you feel cool and "protected" by the water.

A few reminders for your next pool day:
🧴 Reapply sunscreen every 2 hours — sooner if you've been submerged, even with "water-resistant" formulas
🧢 A UPF50 hat + sunglasses (hi, this Sunderlover) block rays your sunscreen might miss
👕 UPF50 clothing provides protection and reduces the amount of reapplying sunscreen throughout the day
⏰ Peak UV hours are 10am–4pm — seek shade when you can
💧 Don't forget ears, feet, and the part in your hair — classic missed spots

Look good, stay protected. 😎

Get your sun-safe gear now @ www.sundercover.com

Basil Cell's favorite fact: fabric doesn't rub off, sweat off, or miss a spot the way lotion can. One less thing to reme...
08/05/2026

Basil Cell's favorite fact: fabric doesn't rub off, sweat off, or miss a spot the way lotion can. One less thing to remember. 🧵

UPF doesn't replace sunscreen completely, but it sure helps reduce the amount of applying and reapplying needed.

Our line of hat liners, hats and tops are all made from certified UPF50 fabric to keep you safe all day, every day.

Be Safe. Play Outdoors. Stay Sundercovered.

Free shipping on orders over $50 with code FREESHIP.

www.sundercover.com

A UPF50 Hat- Sunny Day doesn't leave home without it. ☀️🧢Blocks 98% of UV rays, breathable enough for all-day wear, pack...
08/03/2026

A UPF50 Hat- Sunny Day doesn't leave home without it. ☀️🧢

Blocks 98% of UV rays, breathable enough for all-day wear, packable enough for every trip. The one piece of gear that does the most work.

🛒Shop all our Sundercover UPF50 Hat options today— link in bio.

Mel A. Noma's most important reminder: if melanoma runs in your family, don't skip your yearly check. It's a small appoi...
07/31/2026

Mel A. Noma's most important reminder: if melanoma runs in your family, don't skip your yearly check. It's a small appointment that matters a lot. 🩺

Checking your own skin between annual checks is also extremely important. If you notice any changes to your skin, call your dermatologist to get in sooner. 🔎

Stay vigilant. Wear your SPF and UPF every day.

Be Safe. Play Outdoors. Stay Sundercovered.

07/30/2026

Hey, Sunderlovers!

It's a cloudy and rainy day here in New England, but the UV index is still a 4, which means there's moderate UV radiation out there. ⛅

Before heading out, check the UV index in your area. If it's above 2, make sure to protect yourself with sunscreen and UPF50 apparel. 🧢

Be Safe. Play Outdoors. Stay Sundercovered.

✨Enjoy Free Shipping on all orders of Sundercover UPF50 gear over $50. Use code FREESHIP at checkout.

Harmful Ray loves a cloudy day — it's when people let their guard down. Cover up regardless of what the sky looks like. ...
07/29/2026

Harmful Ray loves a cloudy day — it's when people let their guard down. Cover up regardless of what the sky looks like. 😏☁️

Not only do UV rays pass through clouds, they can refract and reflect off of clouds and cause more danger to your skin than on a cloudless day.

Be Safe. Play Outdoors. Stay Sundercovered.

www. sundercover.com

Sunny Day's golden rule: 10am–4pm is peak UV time. Doesn't have to slow you down — just means hat on before you head out...
07/27/2026

Sunny Day's golden rule: 10am–4pm is peak UV time. Doesn't have to slow you down — just means hat on before you head out. ☀️🧢

That's right. Don't be afraid to enjoy the outdoors, just make sure to protect yourself.

Sundercover® has a choice of UPF50 hats (and tops) to fit your style and keep you safe any time of day.

www.sundercover.com

Be Safe. Play Outdoors. Stay Sundercovered.

Already have a favorite hat? Keep it — just add this. 🧢➕A UPF50 hat liner turns any cap or hat into full coverage for yo...
07/24/2026

Already have a favorite hat? Keep it — just add this. 🧢➕

A UPF50 hat liner turns any cap or hat into full coverage for your scalp in seconds. Small add-on, big difference.

🛒Shop our signature Cap and Round Hat Liners today — link in bio.

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Boston, MA

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