Authentic - 100% Genuine Guarantee. Bulk & Volume Discounts. Lighter, sleeker, and smarter, Flexfit Delta cap has been revolutionizing the headwear industry since its birth with its innovative mechanism and progressive features. The cap maintains its sweat-free status with the patented Stain-Block technology and the 3-layer sweatband while offering a luxurious yet sleek appearance with the seamless bonding finish, pleasing even the most active athletes and the style-sensitive crowds alike.