Extremely lightweight, comfortable, quick drying and draining, the A9E Equatorial Uniform excels in hot, humid operating environments. The soft, lightweight, yet durable fabric minimizes chafing and maximizes cooling. Durable, reliable, quiet, bar-button closures throughout enhance mission capability. No Fly Zone® insect repellent treatment and internal mesh gaiters provide essential critter protection. See link for sizing references: https://beyondclothing.com/products/a9-e-equatorial-pant