BREAKING Marine Layer collects 1M+ used tees through Re-Spun Certified B Corp since 2022 From a 1969 VW bus to 55+ stores MicroModal uses ~20x less water than cotton 40+ proprietary fabrics developed in-house ~25% year-over-year growth into 2025 BREAKING Marine Layer collects 1M+ used tees through Re-Spun Certified B Corp since 2022 From a 1969 VW bus to 55+ stores MicroModal uses ~20x less water than cotton 40+ proprietary fabrics developed in-house ~25% year-over-year growth into 2025
Company Profile  /  Consumer & Retail  /  San Francisco

Marine Layer

The California brand that turned one lost vintage T-shirt into a science of "absurdly soft" - and a Certified B Corp business.

Founded 2009 B Corp 55+ Stores DTC Apparel
Marine Layer brand imagery with the Marine Layer wordmark, two models in casual apparel by the coast
MARINE LAYER / The wordmark against a coastal backdrop - the "marine layer" is the fog that rolls over the San Francisco Bay, and the namesake of the brand.
The Story

A fabric obsession that became a national brand

It started with something small enough to fit in a laundry basket. Mike Natenshon had moved from Maine to San Francisco, homesick for a California he'd first seen in the surf film Endless Summer. Then his girlfriend accidentally threw out his favorite vintage T-shirt. He spent nearly a year trying to recreate the exact worn-in softness of that shirt.

That single-minded pursuit, launched in 2009 with co-founder Adam Lynch, is Marine Layer. The two began by selling tees - some from a 1969 Volkswagen bus - and building fabrics that felt lived-in from the first wear. Fifteen years on, Marine Layer is a direct-to-consumer apparel company with 55-plus retail stores, an estimated $67-73 million in annual revenue, roughly 300 employees, and a Certified B Corporation stamp that ties its comfort-first product to a genuine environmental program.

What Marine Layer makes is deceptively simple: soft, casual, vintage-inspired basics for men and women - tees, shirts, sweaters, sweatshirts, outerwear, denim, dresses, loungewear and accessories. What sets it apart is less the silhouette than the substance. The brand has developed more than 40 proprietary fabrics in-house, most built around MicroModal, a fiber spun from beechwood pulp that uses roughly 20 times less water than cotton and drapes softer than it.

We make absurdly soft clothes that are good for people and the planet. - Marine Layer, brand mission
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Retail Stores
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Custom Fabrics
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Tees Recycled
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Founded
Who It Serves

The customer, and the problem

Marine Layer's customer is a style-aware adult who wants everyday clothing that feels good and lasts - and who is increasingly uneasy about where fast fashion ends up. These are shoppers willing to pay above mass-market prices for comfort they can feel, sold both online and in physical stores where the fabric can be touched before it's bought.

The problem Marine Layer set out to solve is ordinary and universal: most casual basics either feel great and fall apart, or last but never soften. By developing fabrics in-house rather than buying off-the-shelf textiles, the brand engineers softness and durability into the same garment. The second problem it took on - textile waste - is bigger than any one closet, and it answered that with a recycling program built directly into the business.

By The Fibers

What "absurdly soft" is made of

Signature Crew Tee - blend

Supima Cotton50%
MicroModal (beechwood)50%

Signature blend, made in California.

Re-Spun Tee - recycled makeup

Recycled Tees50%
Recycled Plastic50%

Colored by blending shirts - no dye water used.

MicroModal is the quiet workhorse. Because it comes from beechwood pulp and uses roughly a twentieth of the water cotton demands, it lets Marine Layer chase softness and a lighter footprint at the same time. The company has spun that single fiber into more than 40 custom fabrics.

Products & Services

What you can actually buy

Since 2010

Signature Crew Tee

The flagship shirt in a 50% Supima cotton / 50% MicroModal blend - the garment that started it all, made in California.

Since 2009

Men's & Women's Apparel

Vintage-inspired shirts, sweaters, sweatshirts, outerwear, pants, denim, dresses, matching sets, loungewear and accessories.

Since 2018

Re-Spun Program

Textile take-back and recycling - return used clothing for credit; fibers become new recycled garments with no dye water.

Ongoing

Proprietary Fabrics

40+ custom fabrics developed in-house around MicroModal, Supima cotton and recycled fibers - the brand's core moat.

Where It Fits

Comfort as a category

Marine Layer sits in the premium-casual, California-lifestyle segment of apparel, alongside brands like Faherty, Vuori, Buck Mason, Outerknown and Everlane. Its differentiation runs on three tracks: in-house fabric development that rivals can't simply copy, a sustainability program woven into operations rather than bolted on for marketing, and a deliberate omnichannel bet on physical stores at a moment when much of retail has fled online.

The contrarian retail bet

While many DTC peers stayed digital-first, Marine Layer kept opening stores - reaching about 55 locations by 2025 with plans for roughly six new ones a year. The payoff has shown up in the numbers: reported ~25% year-over-year growth and ~15% comparable-store sales growth. In a business where the product's whole promise is how it feels, letting people touch the fabric turns out to be a strategy, not a nostalgia.

Comfort is not a discount you'll forget - it's a feeling you buy again. - The brand's premium-basics thesis, in short
Under The Hood

Business model & expertise

How it makes money

  • Direct-to-consumer (DTC / B2C) apparel sales
  • Own e-commerce site at marinelayer.com
  • 55+ physical retail stores nationwide
  • Corporate / custom branded apparel (wholesale)
  • Re-Spun credit loop drives repeat purchases

What it's expert at

  • In-house fabric R&D - 40+ proprietary blends
  • MicroModal & recycled-fiber sourcing
  • Omnichannel retail (online + in-store)
  • Circular textile logistics via Re-Spun
  • Building a B Corp that still grows ~25% a year
apparelsustainable fashionb corprecycled textilesmicromodaldtccalifornia lifestyleomnichannelpremium casual
Milestones

The road so far

2009

Marine Layer is founded

Mike Natenshon and Adam Lynch launch the brand in San Francisco, obsessed with recreating a lost vintage tee.

2010

The Signature tee arrives

The T-shirt line debuts with a proprietary Supima cotton and MicroModal blend, sold in part from a 1969 VW bus.

2018

Re-Spun launches

A first-of-its-kind apparel recycling program turns old tees into new ones.

2022

Certified B Corp

The company earns B Corporation certification, formalizing its environmental and social commitments.

2024

Trashie partnership

Re-Spun scales into a full textile take-back system accepting any clothing for reward credit.

2025

55 stores and growing

The brand reaches roughly 55 locations with ~25% growth and plans for about six new stores per year.

People & Trivia

Founders and fun facts

The founders

  • Mike Natenshon - Co-founder & CEO. The Maine-to-California transplant whose lost tee started everything.
  • Adam Lynch - Co-founder & COO. Longtime friend who helped turn the idea into a business.

Things worth knowing

  • The name refers to the coastal fog over the San Francisco Bay.
  • The first "storefront" was a 1969 Volkswagen bus.
  • Re-Spun tees are dyed by blending colors - no dye water.
  • MicroModal comes from beechwood pulp.
Watch & Explore

Interviews, demos & more

FAQ

Common questions

What is Marine Layer known for?

Absurdly soft, California-inspired casual clothing built on proprietary fabrics like a Supima cotton and MicroModal blend, plus a strong sustainability program.

Who founded Marine Layer and when?

Mike Natenshon and Adam Lynch founded it in San Francisco in 2009, inspired by Natenshon's quest to recreate a favorite lost vintage T-shirt.

What is the Re-Spun program?

A textile take-back initiative where customers mail in used clothing for store credit; the recovered fibers are recycled into new Re-Spun garments made without dye water.

Is Marine Layer a sustainable / B Corp brand?

Yes. Marine Layer became a Certified B Corporation in 2022 and uses recycled fibers, beechwood-derived MicroModal, and a clothing take-back program.

Where can I buy Marine Layer?

Through its website at marinelayer.com and at 55+ retail stores across the United States, plus corporate and custom apparel channels.

Profile compiled from public sources · Figures noted as estimates are approximate