Hunting, yes for Coyote and Hogs where allowed. Could help in the gloaming if you feel you could convince DNR the sun ...

NIR no help w/ obscurants but IR markers should have sufficient range for most uses

is up enough or has not set enough for deer hunting... of course, no bears, moose, elk etc. in the dark. But observing from a deer stand in the dark would give you an idea where trails are, number and size of the prey. There are enough crazy bastards out there to base jump, parachute, rock climb as well as more sensible types who can ski, hike, observe those nocturnal critters out there. Will not mention that anybody can buy these. Wonder how Law Enforcement will approach that. Intriguing. Wonder how the crash tests dummies did wearing these in a high impact, collision scenario.