Platelegs are a type of armour worn mainly by warriors in the leg slot. Among meleeattack types, platelegs provide good life point bonuses and armour rating, but is more vulnerable towards Magic attacks. However, platelegs have very good defence against ranged attacks.
They are more popular and consequently cost more than the plateskirt, even though they share the same stats and weigh 1 kg more, and they are not gender-locked, i.e. male characters can wear plateskirts and female characters can wear platelegs. In RuneScape Classic, the NPC Thrander could transform platelegs into plateskirts and vice versa for free.