How can you stay comfortably warm during low-level aerobic activities? Start with Duofold thermal underwear — like this super-sleek crewneck top.
- Mid-weight jersey fabric feels great against your skin. (It's cotton-rich for softness, with polyester for durability.)
- Two-ply design traps body heat to create a thermal barrier.
- Ribbed cuffs provide cozy fit.
- Flat-lock seams won't chafe or dig.
- Double-stitched tag-free crewneck keeps its shape, wash after wash.
- Ideal on its own or as base-layer thermal underwear.
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