There’s a moment in every slow fashion journey where the purpose-driven passion that got you started runs smack bang into the complexities of growth.
It might look like shipping costs doubling overnight or fabric delays. It might be an entire range that just arrived and nothing is up to scratch. It could just be that overwhelming feeling of 'How do I keep doing this sustainably without burning out or going broke?'
If you’ve ever felt that moment or if you’re feeling it right now, you’re not alone, and you don’t have to figure it out on your own either, because Rachael Calvert, the founder of Marvell Lane, is joining the Slow Fashion Lab this Monday to help you through it.
We're hosting a powerful mentor session on all things scaling sustainably, manufacturing offshore with your values intact, tariffs, and staying sane in a shifting business landscape because Rachael’s story is your story—just a few chapters ahead.
Marvell Lane began with a single, powerful idea: make beautiful, sustainable swimwear for fuller-busted women.
It’s a niche that had been overlooked for far too long and Rachael knew firsthand how it felt to be left out of the fashion narrative. So she changed it.
She started with thoughtful design and ethical manufacturing, and as demand grew, she expanded into lingerie and clothing, always staying laser-focused on the same mission: empowering fuller-busted women to feel confident and included.
Today, Marvell Lane is a globally loved label based in Byron Bay and manufacturing offshore in China, but that journey hasn’t been smooth sailing.
Rachael has faced it all. She's navigated international tariffs that shifted without warning, supply chain delays and rising costs, the stigma of 'made in China' and the mental load of trying to do it perfectly, with purpose.
But through it all, she’s stayed values-led, mission-focused, and brutally honest about what it really takes to grow a slow fashion label in today’s world.
And she's joining our Slow Fashion Lab members to share the hard truths no one else talks about.
Because so many of our founders inside the Lab are or have been at a crossroads. Trying to grow—but not wanting to compromise. Making sales—but barely paying a wage. Knowing how much sustainability matters—but unsure how to keep up with all the moving parts with costs, ethics, transparency, marketing, and somehow still sleeping at night.
That’s why this mentor call matters so much. Rachael’s session isn’t going to be a glossy highlight reel or another vague 'just believe in yourself!' pep talk. It’s going to be real, specific, and practical.
She’s going to share the steps she’s taken to...
- Navigate international manufacturing without losing her ethics and values.
- Build pricing and planning models that can weather global economic curveballs.
- Grow a label that’s niche—but not small (Marvell Lane has customers all over the world).
- Lead with purpose and make sure the numbers add up.
- Stay grounded and resilient through business stress, uncertainty, and pressure.
Prepare yourself for one heck of a juicy mentor masterclass. If we want slow fashion to lead in this industry, we need to talk about the money, the margins, the mental load, the systems and strategies, the good stuff and the hard stuff.
This session is a must-attend especially if you're feeling stretched or stuck.
If you’re making product decisions while juggling Instagram, trying to answer customer emails while figuring out costings, or wondering if you’ve forgotten something important on your way to post orders—you’re not just tired, you’re carrying too much alone.
You might be in the early stages of launching. You might be a few years in, growing slowly but unsure how to take the next step. You might be staring down the barrel of an offshore production decision and wondering, 'Can I do this ethically and still sleep at night?'
Whatever stage you’re at, this session with Rachael is your chance to breathe, reset, and learn from someone who’s done it and is still doing it, with integrity, authenticity and honesty.
It’s also your reminder that just because you haven’t figured it all out yet, doesn’t mean you’re not on the right path.
Rachael gets it. She’s lived it. She's living it. And she’s walking proof that where there’s a will, there’s a way.
Here's what you'll learn from Monday's call with Rachael...
- How to navigate changing tariffs and international regulations when you manufacture offshore, especially in China.
- What to do when unexpected costs hit your supply chain—and how to build resilience into your pricing and planning.
- The realities of manufacturing ethically in China, and how to maintain transparency and values when working overseas.
- How Rachael built a swimwear, clothing and lingerie label with a global customer base—and why niche audiences are a superpower in slow fashion.
- Staying grounded through uncertainty as a business owner—Rachael’s honest insights on navigating world shifts, stress, and keeping your mission clear.
This isn’t just a one-off webinar. It’s part of a growing ecosystem of real education, meaningful support, and business strategy tailored specifically for slow fashion founders.
The Slow Fashion Lab is here to help you turn your purpose into profit without selling out. Because you didn’t start your label just to make things, you started it to make change.
And I want to help you do more of that while building something that supports your life, your well-being, and your financial goals too.
Whether you’re brand new or five years in, the Slow Fashion Lab is your space to learn, grow and feel supported with a community of like-minded makers who get it.
This is your sign.
The world needs more ethical fashion. More purpose-led brands. More founders like you—who care about how things are made, who’s making them, and what kind of future we’re creating with our choices.
But doing good shouldn’t come at the cost of your mental health, your own finances, or your long-term success.
It’s not too late to join. It’s not too early to start. This is your sign to stop struggling and start growing.
Rachael’s mentor call goes live this Monday 16th June at 11am AEST inside the Slow Fashion Lab. If you’re not yet a member, now’s the time.
It’s time to build your brand with purpose—and power.
Claire x
