Layer on the warmth with these McGuire GearA(R) Ribbed Base Layer Shirts. Lightweight moisture-wicking fabric limits bulkiness while providing insulation. Wear on its own or under your other layers. Midweight construction (7 oz.) Soft, breathable, and warm Tagless label Ribbed cuffs trap body heat Triple-stitched crew neck and long sleeves Works as standalone shirt or base layer