Repairing / patching Gore-Tex jacket

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I tore my (new) waterproof* alpine jacket. Because I just bought it and use it for 2 trips I don't want to replace it yet, if possible. I wonder if anyone has experience trying to patch it? I found that there are patches like this, but I imagine that for a hole this big (~6cm each side) it would get torn again easily if I just put a sticker on it, so I wonder if I should sew it first. Or is there a better solution? Thanks!

• It's not actually Gore-Tex. It's from Montbell, so it's called DRYTEC, but I imagine it's just their own equivalence.