[–] IDintDoNuthin 0 points 1 point 1 point (+1|-0) ago
Knights were the Blitzkrieg Panzer tanks of the era. They were effective on horse back and foot. These guys were also rich people and land owners.
https://horse-canada.com/horses-and-history/knights-and-horses-of-the-middle-ages/
This says joisting armor is about 100 lbs, battle gear about 50 lbs. The fancy looking plate armor in museums are decorative, for high ranking people parading.