Explore our selection of kids’ base layer underwear, designed to deliver warmth, comfort and moisture management. Worn directly against the skin, base layers help keep kids dry and retain heat during outdoor activities, winter days and active outings.

Shop thermal base layers, base layer tops and bottoms, and breathable, stretch, quick-drying options. Built to manage sweat, reduce chafing and provide full mobility, these base layers are ideal under insulated clothing or winter sets.

Choose dependable base layers designed to keep kids warm, dry and comfortable all day long.