These are melee cavalry that at first glance look very light, but looks are deceptive. They are lighting strikers with all stats well over 100 for melee. They are very tough and can kill any Cavalry. They are a great niche troop for anti-cavalry run down. They also do well in sieges.
Stats and equipment
Note: Troops have a set of default stats; at the beginning of a new game, these stats are randomly adjusted for each type of troop. The following is the default set for this troop as seen within the game code and may not reflect the specific stats you will see during actual gameplay. For more information, see Troop stats.
These troops share their name with Nogai, a hero in With Fire & Sword.
The Nogais most likely hail from the Nogai Horde, a confederation of several Turkic and Mongol peoples living east of the game map, in northern Dagestan. Historically, the Nogai Horde was allied to the Crimean Khanate, and frequently raided Russian settlements alongside Crimeans.
Wikipedia has an article on this subject at: Nogai Horde