The support hood is cosmetic hood that shows the wearer has achieved level 99 in multiple related skills. For the Support hood these skills are Agility, Dungeoneering, Slayer and Thieving.
To get the Support hood, players must train any of these skills beyond level 99 in order to gain a skill shard for each skill. Once one shard per skill has been obtained, players can combine them to create a Support hood, and a matching expert skillcape. The shards required for the support hood are the agile, Daemonheim, deadly, and hidden shards.