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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

How long the fabric lasts with regular use

Comfort75

Softness, feel against skin, wearability

Breathability65

Air flow and ventilation

Warmth40

Heat retention and insulation

Moisture Wicking50

Ability to pull sweat away from skin

Sustainability60

Environmental impact of production and disposal

Care Ease45

How easy it is to wash, dry, and maintain

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