5 Tips for Caring for Your UPF50+ Bamboo Shirt

A well-made bamboo shirt is a five-year shirt — but only if you treat it right.

We build every Wild Dunes shirt from a 180gsm bamboo-spandex weave, engineered to hold its UPF50+ rating and its shape wash after wash. The good news is bamboo is genuinely low-maintenance. The bad news is a handful of common laundry habits will shorten its life. Here's what we tell every customer.

1. Cold wash. Every time.

Warm and hot water break down elastic fibres and dull colour over time. Bamboo doesn't need heat to get clean — the fibre's natural structure releases dirt and sweat easily in cold water.

Set your machine to a cold or 30°C cycle. Wool or delicate is even better if your machine has one.

2. Skip the fabric softener

This one's counterintuitive because bamboo is already softer than cotton. But fabric softener works by coating fibres with a waxy film that:

• Blocks moisture wicking — the exact opposite of what you want from a performance shirt
• Reduces breathability — traps heat and sweat
• Slowly degrades the UPF rating by clogging the weave

If you love a fresh scent, add half a cup of white vinegar to the rinse cycle instead. It softens, deodorises, and rinses clean.

3. Turn it inside out — and never bleach

Bleach eats bamboo fibre. Full stop. Even oxygen-based "colour safe" bleach breaks down the fine fibres that give bamboo its drape and stretch.

Turning the shirt inside out before washing protects the outer surface (where the sun sees it) and the printed Wild Dunes logo from friction against zips and buttons on other garments. It's a five-second habit that adds a year to the shirt.

4. Line dry — out of direct sun

The dryer is the fastest way to age a UPF shirt. Tumble-drying breaks elastic fibres, shrinks the weave, and creates static that attracts lint.

Best: line dry in a well-ventilated spot, in shade. Bamboo dries fast — usually under two hours on a warm day.

Never: hang it flat in direct sun. The same UV rays your shirt is designed to block from your skin will slowly bleach the dye if you dry it face-up on a hot tin roof or driveway. Shade only.

5. Fold. Don't hang.

Hanging stretches the shoulders over time, especially with the natural stretch bamboo has built in. After three months on a hanger, most performance shirts develop shoulder points that never come out.

Fold your Wild Dunes shirt in three, store it flat, done. If you must hang it (for storage or in a wardrobe), use a wide-shouldered wooden hanger — never wire.

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Do this and your Wild Dunes shirt will look, feel, and protect exactly like the day you unboxed it — for years, not seasons.

If you've got a specific question about your shirt or you spot damage that shouldn't be there, drop us a note.

For sizing tips before you buy, our size chart has full flat-lay measurements. And if you need to send anything back, our 30-day returns are dead simple.