Hammer Head® Swim Caps by Mako International LLC designs, makes and markets the world's only protective swim cap for swimmers, synchronized swimmers, triathletes and lovers of water sports. Caps feature patented HIT™ protection (honeycomb impact technology), tiny honeycomb pillars that absorb the shock of impact with other swimmers or the pool wall.Hammer Head® Swim Caps are the next evolution in swim cap design - until now unchanged for almost a century. All Hammer Head® Swim Camps also feature TEKFIT™, an evolved fit to match the real shape of the human head, eliminating top of cap wrinkles for reduced drag in the pool and sitting lower over swimmers'​ ears to help protect against swimmers'​ ear infections.