Seamless Tech – Delta unifies panels in a seamless, precision finish eliminating stitches. Construction – thermal regulating, anti-bacterial, and odor resistant material. 9 Layer Sweatband – Faster sweat absorbtion and quicker drying, cloud cushion, and stain prevention layer. Visor Fabrication – Patent pending stain block diffuses sweat through undervisor keeping cap’s crown looking fresh. All Weather Cap – Moisture wicking on the inside, water resistant on the outside.