Thanks for giving the game another try!
For the Retail Threads, they should give +2 Endurance and +3 Resistance, which is what it's set on my end. If you're changing into it from a different piece of gear, the menu shows you the difference in stat changes, instead of just the flat value. So, if you had +1 Endurance before, then equip this, the menu will show a difference of +1 instead.
Hope this helps, and keep the feedback coming!