Stay active and agile with the base layer shirt collection from Athleta. From vibrant colors to muted hues, there are base layer tops that will complement your fashion flawlessly. Base layer shirts are designed to keep you dry and keep from chafing while you exercise or play all day. Each base layer top gives you the agility to move freely without feeling constricted. Your base layer shirt will pair with any bottoms to create polished outfits for ski trips to cross country training. Exercise in chic style with base layer tops from Athleta.