French terry interior sweatband Fits comfortably underneath helmets or alone The Deluxe Sportflex series includes a french terry interior sweatband. Flat seams in order to fit comfortably underneath helmets or alone while providing coverage of the head. Fabric is brushed for ultimate softness and has a 4 way stretch for customizable fit. 50+ UV protection and constrcuted of 87% polyester and 13% elastane. The Deluxe cotton series is 100% cotton and includes a 6-panel headwrap, heavyweight cotton twill, terry cloth sweatband, and is large sized for larger heads.