@ Leftovers Water Absorb
Bold nature 200 HP/ 252 Def /52 Sp. def
-Ice Beam / Toxic / Heal Bell
The amazing water wall from 4th gen is back in 5th gen. As strong as violable as ever! Walls Heatrans for days, unless of course specs HP Grass is added... Wish/protect for wish support on him and your team (Your team gets about 220 HP back), Surf if you want more damage, scald if you want burn, pick your poison, err burn... Ice Beam/ Toxic/ Heal Bell/ Roar Are all good last moves. Ice Beam hits grasses that wall you, Toxic works great with Wish/protect, Heal Bell if you wanna use Vaporeon as a cleric, and Roar as a phazer.
@Life Orb/ Choice Specs Volt Absorb
Timid 4 HP/ 252 Sp attack /252 Speed
-Charge Beam/ Volt Switch
While slowly getting outclassed by the likes of Raikou and Galvantula, Jolteon has one more ace up his sleeve: Speed. With it's massive 130 base speed, not much is gonna be outspeeding Jolteon. Thunderbolt, HP Ice, Shadow Ball for damage and coverage. Volt Switch/ Charge Beam depending on item. If you're using LO, then Charge Beam is better, giving you some set up ability. But on a Specs set, I'd recommend Volt Switch.
DW: Quick Feet. Not really good on Jolteon, with its incredulous speed, but if you want to outspeed scarfers, be my guest.
@ Toxic Orb Guts
Adamant 4 HP/ 252 Attack/ 252 Speed
Odd, but if used correctly, might just work. Get the Guts boost from Toxic Orb, then a speed boost from Flame Charge and you could do some serious damage. Facade makes use of your status, but without STAB it won't be doing too much. Dig allows you to hit the rocks that wall you. This set would be a lot better if Flareon could legally have both Guts and Superpower... Guess we'll have to make due.
@ Leftovers Magic Bounce
Timid 4 HP/ 252 Sp. Attack/ 252 Speed
Standard offensive set. Pick your STAB then round it off with the other moves. Magic Bounce helps stop it from being toxiced to death.
Espeon @ Light Clay Magic Bounce
Timid Nature 252 HP/ 252 Def/ 4 Sp Def.
Nice dual screen set. Come in on a SR, rebound it back, then get up a reflect/ light screen based on your genius prediction of their switch!