Simply log into your SoFi savings account and click on 'Add Vault'.
Next, select from a number of pre-populated vaults.
You may then customize your vault if you'd like.
Add the amount to be transferred to the new vault. Once completed, the available 'Spending balance' will appear.
Finally, slide to confirm.
For instructions on how to move Funds from your SoFi checking or savings balance to your new Vault click here.