How do I log in? Allen February 10, 2020 17:53 Updated Follow To log in to Outdoor Prolink, go to outdoorprolink.com/account/signin. Enter in the email address and password you made in your application and click "login". Related articles Which brands are on Outdoor Prolink? Do you take returns or exchanges? How do I know if I qualify? My account has expired... what do I do? Mammut Sizing Charts Comments 0 comments Article is closed for comments.