The 15 denier mesh of the Ultra-Fine Mosquito Head Net keeps its weight down by almost 50% compared to our standard Mosquito Head Nets, and the ultra-fine mesh keeps even the smallest insects at bay-including no-see-ums, sand-flies, and midges. The Ultra-Fine Mesh Mosquito Head Net may be the smallest and lightest thing in your pack - but if you are headed for areas where bugs are prevalent, it may be the most valuable piece of gear you take with you.. . . . . Ultra-fine 2000 holes/in^2 (310 hole/cm^2) hexagonal mesh. Soft and lightwright 15D mono-filament nylon fiber. Black mesh for improved vision. Elasticized drawcord closure for universal fit. Packaged in a handy stuff sack for snag-free protection and easy organization. COMES WITH: Tiny Stuff Sack. MATERIAL(S): 15D mono-filament Nylon. WEIGHT: .8 oz / 23g. Imported. | Sea To Summit Ultra-Fine Mesh Mosquito Head Net