How do I log in? Allen October 18, 2019 23:41 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? How do I know if I qualify? Do you take returns or exchanges? My account has expired... what do I do? Mammut Sizing Charts Comments 0 comments Article is closed for comments.