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Outlast

synthetic
C

Phase-change material originally developed for NASA. Absorbs, stores, and releases heat to regulate body temperature. Used as a coating or fiber additive.

Score Breakdown

64/100
Durability70
Comfort78
Breathability55
Warmth65
Moisture Wicking60
Sustainability25
Care Ease60

Best For

👔Formal/Office
Excellent

Excellent durability (70) and comfort (78) for office wear

🧥Winter Outerwear
Good

Good warmth (65) for cold weather

👕Everyday Casual
Good

Good comfort (78) and care ease (60) for casual wear

🌧️Rain/Weather
Good

Good moisture wicking (60) and durability (70) for weather protection

⛰️Outdoor/Hiking
Good

Good durability (70) and breathability (55) for outdoor activities

Detailed Use Case Scores

sleepwear80
activewear78

Pros

  • ✓ Active temperature regulation
  • ✓ Prevents overheating and chilling
  • ✓ NASA-developed technology
  • ✓ Comfortable in variable conditions

Cons

  • ✗ Expensive
  • ✗ Effectiveness diminishes with washing
  • ✗ Not eco-friendly
  • ✗ Usually blended, not standalone

Care Guide

Washwarm (40°C)
Cyclepermanent press
Detergentregular
BleachDo not bleach
Drytumble low
Ironlow
Dry Cleanavoid
SoftenerNo

Special Notes

• Phase-change materials — avoid extreme heat in care

• Machine washable — follow garment label

Additional Care Tips

  • • Machine wash cold (30°C/85°F) on gentle cycle — hot water degrades the phase-change microcapsules
  • • Tumble dry on low heat only — high heat damages the temperature-regulating PCM coating
  • • Avoid fabric softener — it coats the fibers and blocks the phase-change technology from working
  • • Avoid bleach and harsh chemicals which break down the PCM microcapsules
  • • Follow manufacturer guidelines closely — Outlast is usually blended and care depends on the base fabric
  • • Store flat or hung; the PCM technology is in the fiber structure and is not affected by storage method

Cost

$$$$$

Premium

Shrinkage

Won't shrink with normal washing

Eco Rating

High environmental impact