Here's a quick reference list of level 80 frost resist gear. This is all craftable by players and is helpful with the Sapphiron fight in Naxx. Please do your best to obtain some or all of these pieces and bring them with you to Naxx, as it will help our healers out immensely. TANKS, please use only enough of this gear to still maintain 540 defense.

Ring: [Titanium Frostguard Ring]

CLOTH
Chest: [Glacial Robe]
Feet: [Glacial Slippers]
Waist: [Glacial Waistband]
Materials for set:

• 14x Bolt of Imbued Frostweave
• 7x Eternal Fire
• 7x Eternal Water
• 7x Eternium Thread
• 3x Frozen Orbs

LEATHER
Chest: [Polar Vest]
Feet: [Polar Boots]
Waist: [Polar Cord]
Materials for set:

• 26x Heavy Borean Leather
• 7x Eternal Fire
• 7x Eternal Water
• 16x Nerubian Chitin
• 3x Frozen Orbs

MAIL
Chest: [Icy Scale Chestguard]
Feet: [Icy Scale Boots]
Waist: [Icy Scale Belt]
Materials for set:

• 26x Heavy Borean Leather
• 7x Eternal Fire
• 7x Eternal Water
• 16x Icy Dragonscale
• 3x Frozen Orb

PLATE
Chest: [Icebane Chestguard]
Feet: [Icebane Treads]
Waist: [Icebane Girdle]
Materials for set:

• 40x Saronite Bars
• 7x Eternal Fire
• 7x Eternal Water