ESS Tear-off Lens Protectors protect lenses of Tactical Thermal ESS Goggles. Thin, optically clear, and stackable. When lens is impacted by mud, ash, flame retardant, hydraulic fluid, etc., tear-offs provide instantly clear vision with one quick motion. Remove one at a time as needed to maintain vision and full field of view. Color: Clear. Sold in packs of 6.