Assuming your followers are real on Instagram you're of to a good start there. If you aren't converting at over 2% there is something wrong with that type of following. I would bring that good feeling from Instagram over to your website. More images of people smiling wearing your products etc.
Here are 5 areas you need to improve on ASAP
Theme: I'd use different theme also. Here is a link to a review I did of the best free theme on the market you could also use.
Overall great start and great work with Instagram. Keep up the good work.
Thank you. If you would like more detailed free review you can contact me below also.