Pertex

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