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Milk Fiber

semi-syntheticBiodegradable
C

Regenerated protein fiber made from casein (milk protein), typically from waste milk unfit for consumption. Has a silky feel but moderate durability.

Score Breakdown

58/100
Durability40
Comfort75
Breathability65
Warmth40
Moisture Wicking50
Sustainability60
Care Ease45

Best For

🏃Athletic Wear
Good

Good breathability (65) and moisture wicking (50) for light activity

😴Sleepwear
Good

Good comfort (75) and breathability (65) for sleeping

🌱Sustainable Fashion
Good

Good sustainability score (60)

Detailed Use Case Scores

underwear65
sleepwear62

Pros

  • ✓ Very soft and silky hand feel
  • ✓ Naturally contains amino acids beneficial for skin
  • ✓ Good moisture absorption
  • ✓ Upcycles waste milk from dairy industry

Cons

  • ✗ Low wet strength — weakens significantly when damp
  • ✗ Not suitable for machine washing without care
  • ✗ Production process requires chemical crosslinking agents
  • ✗ Niche material with very limited availability

Care Guide

Washcold (30°C)
Cyclehand
Detergentmild
BleachDo not bleach
Dryline dry
Ironlow
Dry Cleanoptional
SoftenerNo

Special Notes

• Very delicate — hand wash recommended

• Air dry flat

Additional Care Tips

  • • Hand wash in cool water (20°C/68°F) with gentle detergent
  • • Do not wring or twist — press water out gently between towels
  • • Lay flat to dry away from direct sunlight
  • • Iron on low heat with a pressing cloth if needed
  • • Store folded — avoid hanging as wet fibers stretch permanently

Cost

$$$$$

Mid-range

Shrinkage

May shrink 2-5% — wash cold

Eco Rating

Moderate impact — consider eco alternatives