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Waterproof Fabrics Buying Guide
Waterproof Fabrics Buying Guide
Introduction
How do do they work?
Membranes
Waterproof fabric technology definitions
Waterproof fabric types
Waterproof picks
More guides
Waterproof Fabrics Buying Guide
Introduction
Buying waterproof clothing can be deceptively complex. The main function of waterproof clothing is to keep you dry. But it should also be breathable allowing moisture to escape so you stay dry from the inside and helping regulate your temperature.
A lot of terminology and jargon comes along with waterproofs like hydrostatic heads, DWR and MVTR. This guide will break down what all this means and help you find the best waterproof for your needs.
GORE-TEX is the world’s leading waterproof fabric technology. Alternative waterproof fabrics include FUTURELIGHT™ from The North Face and Patagonia’s H2No.
How do do they work?
How do waterproof fabrics work?
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Membranes
GORE-TEX with ePE membrane
ePTFE membranes with a PU coating
ePTFE membranes without a PU coating
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Construction
How a waterproof garment is constructed is key to comfort, longevity, and is an indicator of overall quality. Waterproof membranes or PU films are sandwiched between an outer layer (or 'face fabric') and an inner layer ('scrim') sitting next to the skin. The face fabric adds durability and carries the DWR. The scrim wicks moisture outwards and helps protect the film and membrane from contaminants. The nature of the inner layer determines whether a fabric is 3, 2.5 or 2-layer. With 3 Layer (e.g. GORE-TEX Pro) the outer, membrane & inner are bonded together into one flexible material With 2.5 Layer (e.g. GORE-TEX Paclite) the outer & membrane are bonded together with a very thin internal carbon or textured 'half layer' on the inside With 2-Layer (e.g. GORE-TEX Performance) the outer & membrane are bonded together, but the internal lining is a loose-hanging fabric or mesh
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Seam Sealing
You can make a jacket from waterproof material, but unless you seal the seams, it will leak very quickly. Look inside a waterproof jacket, and you will see strips of tape covering the seams. This taping will not let moisture through in either direction so the more taping, the less breathable the jacket. It also stiffens the seam area. That's why Arc'teryx and others strive to reduce the number of seams and the width of the tape used. Tape is usually essential, but reducing the amount results in a lighter, more supple and more breathable jacket.
Waterproof fabric technology definitions
Hydrostatic head
DWR
PFCs
Measuring performance of waterproof fabrics
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Waterproof fabric types
GORE-TEX
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GORE-TEX Paclite
Paclite packs down small and light. A carbon backer protects the membrane so a full-scale lining isn't needed - this results in a smaller pack size than most other waterproof garments. It's an excellent choice for occasional use such as trekking or travel where it may sit in a pack until the rain starts falling.
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GORE-TEX Paclite
Paclite packs down small and light. A carbon backer protects the membrane so a full-scale lining isn't needed - this results in a smaller pack size than most other waterproof garments. It's an excellent choice for occasional use such as trekking or travel where it may sit in a pack until the rain starts falling.
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The North Face FUTURELIGHT
FUTURELIGHT utilises a production method called nanospinning, where nano-sized fibres are created. The nano-sized spaces between these fibres result in superior air permeability while maintaining excellent durability and waterproof performance. This allows for variable thickness within a single piece of fabric to ensure comfortable movement and softness to the touch. A lamination process attaches the nanosized fibres to face fabrics without sacrificing breathability, waterproof performance, or durability.
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The North Face FUTURELIGHT
FUTURELIGHT utilises a production method called nanospinning, where nano-sized fibres are created. The nano-sized spaces between these fibres result in superior air permeability while maintaining excellent durability and waterproof performance. This allows for variable thickness within a single piece of fabric to ensure comfortable movement and softness to the touch. A lamination process attaches the nanosized fibres to face fabrics without sacrificing breathability, waterproof performance, or durability.
Waterproof picks
More guides
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