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Marmot MemBrain®

Waterproof, breathable lamination that thrives in the toughest weather conditions.

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What Is It?

Our proprietary lamination repels rain on the outside and minimizes sweat next to skin. With a minimum of 10K/10K performance, it balances long-lasting waterproofness with soft, quiet, and breathable comfort.

How Does It Work?

When condensation is converted into vapor, it creates a chilling effect. Paired with superior face fabrics, MemBrain’s hydrophilic PU lamination helps prevents the chill while also keeping you comfortable in Mother Nature’s worst elements.

Performance Specifications*

10,000 mm

Waterproofness

10,000 gm

Breathability

6 to 8

Hohenstein RET

2-Layer

Hydrophilic PU lamination

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Explore MemBrain Gear

Rain jackets, waterproof pants & more.

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To Sum It Up

Need a waterproof jacket and waterproof pants that hold up without holding you back? You’ve found it. Marmot MemBrain lamination—together with superior waterproof fabric—balances the best in breathability, water repellency, and durability. Unlike other rain jackets, this rain gear’s 10,000mm / 10,000gm minimum performance ensures you stay dry even when Mother Nature won’t let up. The technology doesn’t stop there. Its hydrophilic nature reduces internal condensation even as your adventure intensifies, so you can rely on your Marmot MemBrain rain coat for comfort season after season.

*Waterproofness 10,000 mm minimum JIS-L 1092; Breathability 10,000 gm / 24h minimum JIGS-1099 B1