The Boonie Sun Hat Hot Weather ACU OCP Camo Size 7 1/8 is a hat designed for hot weather conditions. Key Features of Type VI Sun/Hot Weather Hats: Design: A wide-brimmed "boonie" style that provides 360-degree shade for the face, ears, and neck. Purpose: Engineered for desert, arid, or jungle (hot weather) environments to prevent heatstroke and sunburn. Construction: Usually made from 50% Nylon/50% Cotton ripstop material, making them durable yet breathable. Features: Often include ventilated, screened, or mesh eyelets for airflow, a chin strap for, and sometimes loops for adding camouflage foliage.