The ODLO Performance Warm Kids Long Sleeve T-Shirt for Kids combines the comfort of seamless knitting technology with exceptional thermal regulation capabilities, to keep your offspring active and warm, even on adventures. the most icy. Very cozy, this underwear benefits from specific ergonomic zones to provide ideal moisture management and ventilation where it is most needed, while the seamless construction eliminates irritation, for better comfort on the skin. skin and greater freedom of movement. Finally, ODLO's ZeroScent and Effect technologies create an antibacterial barrier that prevents unwanted odors and thus preserves the freshness of the most energetic toddlers all day long.