Technology · Sympatex Technologies
Sympatex
A non-porous membrane that moves moisture by molecular diffusion rather than through pores, with a strong recyclability position.
Specifications last verified 2026-09-01Independent documentation
Manufacturer specification
Published figures only — nothing estimated
- Owner
- Sympatex Technologies
- Membrane type
- Non-porous hydrophilic polyester membrane
- Construction options
- 2L, 2.5L, 3L
- Waterproof rating
- Not publicly specified by manufacturer
- Breathability rating
- Not publicly specified by manufacturer
- Air permeability
- Not publicly specified by manufacturer
- Typical price segment
- Varies by garment.
- Weight characteristics
- Varies by face fabric and construction rather than by membrane alone.
- Durability characteristics
- Durability is driven mainly by face-fabric denier and construction.
- DWR requirements
- Face fabrics carry a durable water repellent finish. Repellency wears off with use and needs reproofing; the membrane itself is unaffected.
- PFAS / PFC information
- Check the current season's material declaration. Many brands have moved to PFAS-free repellent finishes, and platforms differ by year and by garment.
WaterproofJacket.com assessment
Our editorial analysis, not a manufacturer claim
Main advantages
- PTFE-free and recyclable membrane
- Consistent waterproofing without pores to contaminate
- Common in workwear and city rainwear
Main disadvantages
- Diffusion-based transfer can feel slower during hard effort
- Less common in high-end alpine shells
Best uses
- Commuting
- Everyday rain
- Workwear
Poor uses
- Maximum-output mountain effort
Care instructions
- Wash with a technical cleaner, not standard detergent or fabric softener.
- Reproof the face fabric when water stops beading.
- Tumble dry warm or press with a cool iron under a cloth if the care label allows, to reactivate the finish.
Sources
Official documentation and standards we relied on
- officialSympatex membrane technology