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Warmth Without the Bulk, Recovery Built Right In
Right, so here's the thing about these leggings: they look rather sleek, fit brilliantly, and happen to be lined with infrared-emitting fabric that actually does something rather marvellous for your body. We've managed to pack serious performance benefits into something that doesn't make you look like you've wrapped yourself in a thermal duvet, which is rather the point.
Why Choose Our Infrared Performance Leggings
Engineered Comfort That Works Harder Than You Do The three-quarter length sits just below the knee, which means you can pair them with compression socks without any awkward bunching inside your boots. The seamless front-to-back gusset and flatlock seams are there because chafing is nobody's idea of fun, and we've got better things to do than tolerate poor design.
Temperature Regulation That Actually Works These leggings store thermal energy 63 percent longer than standard fabrics when worn as a base layer. They also dry 65 percent faster, which is splendid if you're the sort who likes to wash kit regularly but doesn't enjoy the whole damp-fabric situation.
Recovery and Performance in One Go The infrared technology increases local blood circulation and tissue oxygenation by up to 20 percent. That means better muscle priming before you train, enhanced performance during, and accelerated recovery afterward. We're talking 80 percent average reductions in soft tissue injuries through proper muscle preparation, which is rather good news if you've ever dealt with a niggling injury.
Built to Last Without Losing Its Magic The infrared properties are woven into the fabric itself, so they don't wear off with washing or use. The minerals stay put, the benefits remain consistent, and you've got yourself a genuinely long-lasting bit of kit. FDA-certified as a Class I medical device, if that sort of thing matters to you, which it probably should.
Product Details
Fabric Composition: 50 percent KYnergy Polyester, 30 percent Polyester, 20 percent Elastane. Breathable, quick-drying, and rather nicely made.
Fit and Sizing: Available in XS through XXL with waist measurements from 28 inches through 38 inches. Inner leg lengths range from 27 to 34 inches depending on size. These don't need to be skin-tight for the infrared to work, so size to your preference. If you fancy a looser fit, size up from the chart suggestions.
Key Features: Elasticated waistband for flexible, secure support. Seamless front and back gusset construction. Flatlock seams that won't drive you mad. SPF35 plus rating for sun protection. Antimicrobial properties to keep things fresh.
How to Use Them Properly: Wear for 30 minutes before training to prime your muscles and boost circulation. Keep them on during your workout or competition. Wear for at least an hour afterward to support recovery. The effects compound over time, so make them part of your regular training cycle.
Care Instructions: Wash at 30 degrees Celsius. Do not tumble dry. That's it. Properly simple.
Infrared Benefits Worth Knowing About: Increased blood circulation and tissue oxygenation. Enhanced cellular metabolism and energy production. Temporary pain relief with 25 percent average reduction reported. Accelerated recovery from physical exertion, injury, or surgery. Reduced inflammation. Injury prevention through muscle priming. Proper temperature regulation. Antimicrobial fabric that stays fresher longer.
These are the sort of leggings that prove performance wear doesn't have to be bulky, complicated, or riddled with dubious claims. They're quietly fabulous in the way properly engineered things tend to be.
SHIPPING + RETURNS
THE RATHER IMPORTANT BITS
This rather lovely piece ships directly from our brand partner - we work with independent brands who are absolutely brilliant and work frightfully hard to create beautiful things.
SHIPPING DESTINATIONS
Now, here's the thing - our wonderful brand partners ship to lots of different places, but not all of them can ship worldwide.
Some are brilliant at international shipping, others prefer to keep things closer to home.
At checkout, you'll see exactly where this particular brand can send your goodies.
We're terribly sorry, but shipping costs do vary rather wildly depending on where you are in the world. The exact figures pop up at checkout - no nasty surprises!
RETURNS
You have 14 days to return items.
Now, we absolutely adore our brand partners - they work incredibly hard and we do try to support them as much as we possibly can. So I'm rather afraid we have to pass the return postage costs back to you. Frightfully sorry about that!
🌍 PLEASE CHOOSE THOUGHTFULLY:
Our wonderful partners put their hearts into everything they make.
Ordering multiple sizes to try at home is rather hard on our planet and makes things jolly difficult for these brilliant independent creators.
When in doubt, do ask us first!
PAYMENT
We're frightfully modern and accept all the usual suspects:
Visa, Mastercard, American Express, PayPal, Apple Pay, Google Pay, and Shop Pay
SECURE AS HOUSES
Everything's properly encrypted and secure - your details are safer than the Crown Jewels!
All prices in lovely British pounds £ GBP, though international chaps will see converted prices.
Any payment pickle? We're here to help sort things out! Contact us
We Have Lots More Like This.........
Hello, we are Sostter....
Sostter began, as all good ideas do, with a lively conversation and a shared sense of frustration. Why had the world of independent design become so serious, so samey, so… beige? Where was the spark, the imagination, the sheer joy of discovering something that made you stop and stare?
We dreamt of a marketplace that celebrated difference — where curious minds could explore a world of independent brands, design-led makers, and thoughtful artisans. A space that felt exciting, human, and beautifully imperfect.
Today, Sostter brings together remarkable people and their creations — from London to Lausanne, Brooklyn to Berlin — uniting makers and discoverers through craftsmanship, creativity, and conscience. Every object tells a story, and every purchase supports an independent brand doing things differently.
This is just the beginning. But enough about us — step inside, explore our world, and see what catches your imagination.
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