Free: Contests & Raffles.
Can't speak to which camo may or may not be best for reflecting IR.The idea has been batted around for years (normally by the people trying to sell you on something) and I have simply chosen to ignore it.In that photo the ground and branches are reflecting as much/more light than the clothing.
Just sit still.I sat on a ridge one time during modern deer ,orange vest on up againist a tree.Heard some munching behind me. 4 ft.Around the three came a doe. Than another and so on.11 does walked past me at five feet. Not one noticed me.