They are a scam. When you ask for a date that they should arrive you get this generic email.
Hello,
Thank you for reaching Increasing Shoes.
If the item you purchased is not on back order, express shipping
Can take up to 4 business days (weekend & holidays excluded).
For back order, items the order will be shipped once the style is
Back in stock.
Best Regards,
Increasing Shoes
www.increasingshoes.com
Also when you are checking the status of your shoes estimated delivery date. They never actually update it. It constently says "order is processing".