Pieces that in the light are textured knits, sculptural silhouettes, with that unmistakable PH5 playfulness. But in the dark, it becomes something else entirely.
March 24, 2026
News
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February 20, 2025
Why Knitwear Is the Future of Performance Fashion
PH5 activewear serves up a fresh take on performance and style, blending technical innovation with the brand's signature whimsical aesthetic. Made with zero-waste knitting and recycled yarns it is our most sustainable activewear to date. Road-tested by our Ironman athlete founder Wei, these pieces are moisture-wicking and designed to work with the body for optimum performance. Our newest collection of gym & tennis wear is designed to move effortlessly from the court to the everyday. As seen on Vogue.com
Through technical knitting it is possible to tailor different compression needs according to different muscle types.
PH5's activewear blends technical precision with seamless design. Bra tops feature a curved shape with high-compression knitting in the front for support and a more flexible knit in the back for comfort. Leggings use a lighter, stretchier yarn than the tops, with targeted compression—firmer in the front for support and more flexible in the back for mobility. This level of innovation is made possible through advanced knitting technology.
PH5 activewear is for the active person taking them from the studio to brunch to summer festivals in style & comfort.
“The whole process felt like I was designing my ideal sporty suit of armor. My intention was to specifically test our products under extreme conditions to make sure they hold up and that they are comfortable to wear from beginning to end. And they are!”
Our founder Wei Lin, Ironman athlete—
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February 20, 2024
ONE TREE PLANTED PER ITEM MADE
Since 2021 with your help we donated one tree per every garment sold on this website and to our wholesale partners. That lead to a total of 50,531 trees planted and counting!
Through our partners One Tree Planted we were able to send trees where they are most needed, focusing on global reforestation, creating habitats for biodiversity and making a positive social change by working with local people.
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November 01, 2022
PLANT A TREE
🌳 FOR EVERY GARMENT SOLD, WE PLANT A TREE 🌳
Over the last few years, thanks to our customers, we’ve donated 50,531 trees (and counting) to One Tree Planted , a non-profit organization focused on global reforestation, creating habitats for biodiversity and making a positive social change by working with local people.Starting 2021 we became an official planting business partner on their ONE-FOR-ONE program, where we will help plant one tree for every product sold on PH5.com and also every piece we sell to our stocklists.In the near future, we hope to also join them in one of their locations to plant trees ourselves and understand the process of reforestation first hand.Why Trees?
In the face of complex global challenges, ONE TREE PLANTED focus on one impactful, science-based solution: trees. Reforestation helps the environment by ensuring or accelerating the re-establishment of healthy forest structure in areas that have been degraded or deforested.Read more at One Tree Planted.com
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