What is Polar Fleece?

Definition

Polar fleece is a synthetic knit fabric made from polyester, designed to mimic wool's insulating properties while being lighter, faster-drying, and machine-washable. It traps air between fibers to create thermal insulation. French rib fleece adds a distinctive rib texture. 350-500 GSM for heavyweight winter applications.

Why This Matters for Sourcing

Polar fleece is a synthetic knit fabric made from polyester, designed to mimic wool's insulating properties while being lighter, faster-drying, and machine-washable. It traps air between fibers to create thermal insulation. French rib fleece adds a distinctive rib texture. 350-500 GSM for heavyweight winter applications.

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