Polartec Fleece
A premium brand of polyester fleece developed by Polartec (formerly Malden Mills). Engineered for high warmth-to-weight ratio, breathability, and moisture management in technical outdoor apparel.
Score Breakdown
How long the fabric lasts with regular use
Softness, feel against skin, wearability
Air flow and ventilation
Heat retention and insulation
Ability to pull sweat away from skin
Environmental impact of production and disposal
How easy it is to wash, dry, and maintain
Best For
Excellent warmth (85) and durability (70) for cold weather
Excellent comfort (82) and easy care (75) for daily wear
Excellent durability (70) and comfort (82) for office wear
Good breathability (72) and moisture wicking (75) for light activity
Good comfort (82) and breathability (72) for sleeping
Good breathability (72) and comfort (82) for undergarments
Good moisture wicking (75) and durability (70) for weather protection
Good durability (70) and breathability (72) for outdoor activities
Detailed Use Case Scores
Pros
- ✓ Excellent warmth-to-weight ratio
- ✓ Breathable and moisture-wicking
- ✓ Dries much faster than natural alternatives
- ✓ Available in many weights — from lightweight to expedition
Cons
- ✗ Sheds microplastics during washing
- ✗ Can pill with heavy use
- ✗ Not wind-resistant without a membrane
- ✗ Synthetic petroleum-based fiber
Care Guide
Special Notes
• Wash inside out
• Never use fabric softener
• Use a Guppyfriend bag to catch microplastics
Additional Care Tips
- • Machine wash cold (30°C/85°F) with a microfiber-catching wash bag
- • Tumble dry on low heat or air dry
- • Do not iron — synthetic fibers melt
- • Avoid fabric softeners — they reduce wicking performance
- • Zip up zippers before washing to prevent snags
- • Wash inside out to reduce pilling
Cost
$$$$$
Mid-range
Shrinkage
Minimal shrinkage — follow care instructions
Eco Rating
Moderate impact — consider eco alternatives