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GORE-TEX
GORE-TEX is the leading waterproof fabric technology. There are a number of different versions with different weaves and deniers.
Introduction
How do do they work?
Waterproof fabric technology definitions
Waterproof fabric types
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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?
ePTFE membranes with a PU coating
ePTFE membranes without a PU coating
ePE
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
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
Waterproof fabric types
GORE-TEX
GORE-TEX is the leading waterproof fabric technology. There are a number of different versions with different weaves and deniers.
GORE-TEX Pro
GORE-TEX Pro is designed for mountaineers and those out regularly in bad conditions. The emphasis is still on durability for extended use.
GORE-TEX Performance
Available in either a 2-layer construction or as a 3-layer laminate. Both versions are well suited for cooler autumn or winter weather.
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.
GORE-TEX Paclite Plus
GORE-TEX Paclite Plus garments utilise a 2-layer unlined construction to make them thin, lightweight and extremely packable.
GORE-TEX
GORE-TEX is the leading waterproof fabric technology. There are a number of different versions with different weaves and deniers.
GORE-TEX Pro
GORE-TEX Pro is designed for mountaineers and those out regularly in bad conditions. The emphasis is still on durability for extended use.
GORE-TEX Performance
Available in either a 2-layer construction or as a 3-layer laminate. Both versions are well suited for cooler autumn or winter weather.
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.
GORE-TEX Paclite Plus
GORE-TEX Paclite Plus garments utilise a 2-layer unlined construction to make them thin, lightweight and extremely packable.
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.
FUTURELIGHT Summit Series
These garments are designed to be strong, lightweight and functional enough to keep you comfortable in the most extreme mountaineering conditions.
Patagonia H2No
Patagonia’s H2No fabrics are waterproof, breathable, and durable. Once a fabric has passed Patagonia’s rigorous tests, it achieves their H2No Performance Standard status.
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.
FUTURELIGHT Summit Series
These garments are designed to be strong, lightweight and functional enough to keep you comfortable in the most extreme mountaineering conditions.
Patagonia H2No
Patagonia’s H2No fabrics are waterproof, breathable, and durable. Once a fabric has passed Patagonia’s rigorous tests, it achieves their H2No Performance Standard status.
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