This is a full leather-set with matching fistweapons.

Head: Terokk's Mask - (Drops from Terokk (last boss) in Sethekk Halls.)
Shoulders: Shoulderpads of Vehemence - (Drops from Grand Warlock Alythes and Lady Sacrolash in the Sunwell Plateau Raid.)
Chest: Silvermoon Tunic - (Drops from Fernissa the Assassin, a rare mob on the Bloodmyst Isle)
Wrist: Pretty much any that you can't see under the gloves.
Gloves: Bonechewer Spikegloves - (Drop in Hellfire Peninsula and Zangarmarsh, I'd check AH)
Waist: Blastguard Belt - (Leatherworking, Pattern can be bought from the Aldor Quartermaster at Exalted.)
Legs: Blastguard Pants - (Same as above.)
Feet: Blastguard Boots - (Same as above.)
Back: Shroud of Silvermoon - (Bought by the Silvermoon Quartermaster.)


Fistweapons:  Vanir's Left Fist of Brutality and  Vanir's Right Fist of Brutality can be bought from the Weapons and Armorsmith in both Shattrath and Isle of Quel'Danas.