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Pertex

synthetic
B

An ultralight nylon or polyester shell fabric engineered for minimal weight and packability while providing wind resistance. Used as the outer shell in down jackets and sleeping bags.

Score Breakdown

70/100
Durability60
Comfort68
Breathability75
Warmth35
Moisture Wicking60
Sustainability40
Care Ease72

Best For

🏃Athletic Wear
Good

Good breathability (75) and moisture wicking (60) for light activity

👕Everyday Casual
Good

Good comfort (68) and care ease (72) for casual wear

👔Formal/Office
Good

Good durability (60) and comfort (68) for office wear

🌧️Rain/Weather
Good

Good moisture wicking (60) and durability (60) for weather protection

Detailed Use Case Scores

outdoor90
outerwear85
activewear75

Pros

  • ✓ Extremely lightweight — among the lightest shell fabrics available
  • ✓ Excellent packability for travel and hiking
  • ✓ Good breathability for a windproof shell
  • ✓ Down-proof weave prevents feather escape

Cons

  • ✗ Less abrasion-resistant than heavier fabrics
  • ✗ Not waterproof without additional treatment
  • ✗ Can snag on rough surfaces
  • ✗ Synthetic — petroleum-derived base material

Care Guide

Washwarm (40°C)
Cyclepermanent press
Detergentmild
BleachDo not bleach
Drytumble low
IronDo not iron
Dry Cleanavoid
SoftenerNo

Special Notes

• Use tech wash for best results

• Tumble dry low to reactivate DWR if applicable

Additional Care Tips

  • • Machine wash cold (30°C/85°F) on gentle cycle with technical detergent
  • • Tumble dry on low heat to restore loft of insulated garments
  • • Do not iron — heat can damage the ultralight weave
  • • Avoid Velcro contact which can snag the fabric
  • • Store uncompressed in a breathable storage sack
  • • Re-apply DWR spray periodically for water resistance

Cost

$$$$$

Mid-range

Shrinkage

Won't shrink with normal washing

Eco Rating

Moderate impact — consider eco alternatives