ThermalCap™ Thermal Optic:StingIR A hook and loop windlass

A hook and loop windlass retention strap is then applied

Even worse

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simplified

ThermalCap™ Thermal Optic:StingIR A hook and loop windlassRuggedized front and rear cap Protective shroud Custom fit to device Keeps dust grit off your device while in the field Silent donning and doffing The ThermalCap is a simple, rugged, quiet, and low profile solution to protect your thermal lenses and eliminate any reflections from them. When doffed, they have a lower profile than traditional flip style caps. We know these devices are a significant investment so being able to protect them is crucial.