As a bonus action you can activate this item 

When activated you can move up to double your speed, but you take one d6 of lighting damage 

Plate consists of shaped, interlocking metal plates to cover the entire body. A suit of plate includes gauntlets, heavy leather boots, a visored helmet, and thick layers of padding underneath the armor. Buckles and straps distribute the weight over the body.

Notes: Anyone , Str. 15 Required, Stealth Disadvantage