Thicker, shorter fibers; prone to itching and losing shape. Ply: Look for "2-ply" for better durability and warmth. Gauge: Higher numbers mean a tighter, finer knit. Inspect the Construction

Hold it to the light; a tight knit shouldn't be see-through. Identify Common Red Flags

Rub your palm on the surface; fibers shouldn't shed immediately.

Gently pull the fabric; it should snap back instantly.