Outdoor Caps MLB-350 is the premier baseball cap featuring 3D replica MLB team logos. Our MLB Adjustable Performance cap is one of our best selling MLB hats. The MLB-350 features a mid to low crown, solid back panels, a slight pre-curved visor and structured fit with a hook/loop tape closure. This cap is also equipped with a wicking sweatband and a black anti-glare undervisor. Slight Pre-Curved Visor Hook/Loop Tape Closure Mid to Low Crown (C) Structured Solid Back Polyester Wicking Sweatband 3D Replica Logo Black Anti-Glare Undervisor.