Season 10 Gladiator set

The Season 10 Gladiator sets are a type of item set. Each set consists of 5 pieces.

Sets
Some classes have several sets, each designed for a different talent tree.

Source
The set pieces are sold by the following vendors:


 * in Gadgetzan
 * in Dalaran
 * in Area 52
 * in Orgrimmar
 * in Stormwind City