Hot Chillys midweight base layer for kids offers a soft feel and MTF fabric to wick moisture and keep them dry. The Midweight Print Crewneck is the ideal layer for under ski jackets when the weather turns chilly. Fun prints kid s will enjoy wearing and a relaxed fit for comfort and wearability. The Midweight Print Crewneck can be worn as a base layer under winter clothes or a cold weather pajamas. Features: Crew neckline with binding Cuffs for added fit and warmth Soft hand feel that kids like MTF Moisture Transfer Fibers keep skin dry and warm Relaxed fit for comfort and wearability All season weight for everyday warmth Technology: MTF Moisture Transfer Fibers: Hot ChillysR exclusive MTF technology moves moisture away from your body, keeping you warm, dry and comfortable.