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.
Material Score Breakdown
7-axis material rubric, not a garment verdict — see disclosure below.
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
Products with polartec fleece
We don't have any garments containing polartec fleece in our catalog yet. Browse the full synthetic materials or check the product catalog.
What this score doesn't measure
This is a material rating, not a verdict on any specific garment made from polartec fleece. The axes above are research-backed averages for the fiber itself.
- ×Construction. Yarn staple length, weave / knit structure, stitch count, finishing. Identical fiber, very different garments.
- ×Fabric weight (GSM). A 140 GSM tee and a 220 GSM tee made of the same polartec fleece feel and last very differently.
- ×Dye + finishing chemicals. Beyond the three we flag (PFAS, formaldehyde, antimony), dozens of textile finishes aren't modelled.
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
Better alternatives
Higher-scored synthetic materials. Same category — what to consider instead.
+4 vs Polartec Fleece · 76/100
Membrane technology that is waterproof yet breathable. A laminate applied to other fabrics rather than a fabric itself.
+3 vs Polartec Fleece · 75/100
Ultra-high-molecular-weight polyethylene (UHMWPE) fiber — the world's strongest fiber by weight. 15x stronger than steel, used in cut-resistant gear, ultralight backpacks, and high-performance sails.
+2 vs Polartec Fleece · 74/100
Waterproof breathable membrane fabric (Gore-Tex, eVent, or similar technology) laminated to a face fabric. The gold standard for rain and storm protection in technical outerwear.
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