At what age is it ok for me to take our kitten (Roxy) out on a harness in the back garden only, no further. She seeâ€[emoji]8482[/emoji]s our other adult cat (Villy) going out and cries at the back door as she really wants to go out. She has jumped out of the door a couple of times but I scooped her up quickly and put her back in, much to her disappointment! She is 12 weeks old, has had her first set of vaccinations and will have the last set on the 11th Aug, so sheâ€[emoji]8482[/emoji]s not fully covered yet.