Poli, some info.
"When you reach level 70 in the appropriate skill, you can speak to the skillcape master for that skill to learn how to collect elite outfit fragments (gemstone golem fragments, etc, different per skill). These fragments will be gathered in the currency pouch when you are training that skill, through any method.
To turn the fragments into the outfit pieces, you’ll need to learn an Invention blueprint, have 20 Invention for the Gemstone Golem outfit and 21 invention for the Rune Ethereal outfit, and level 80 in the associated skill.. The blueprint will not cost any inspiration."
Source: https://www.reddit.com/r/runescape/comments/58gkmc/elite_skilling_outfits_update/
It also says that ironmen won't get duplicate pieces as you can't trade with other players.
Meaning once you've collected enough fragments for whole outfit you won't get 2 sets of boots, you'll get each slot piece, head, legs etc.
& here's the page to check out outfit benefits:
http://runescape.wikia.com/wiki/Experience-boosting_set#Elite_skilling_outfits
YOU WIN OR YOU LEARN
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