Heavy Leather

Heavy Leather is used as a reagent in many professions.

Source

 * It can created by combining five Medium Leather.
 * This leather can be skinned from beast monsters from Level 25 to Level 47 Elite, and the following lower level Elites: Fenrus the Devourer, Wolf Master Nandos, Aku'mai Snapjaw, Aku'mai, Old Serra'kis and Kraul Bat.

As an ingredient
Heavy Leather is used in the following recipes:

Blacksmithing

 * Edge of Winter
 * Glinting Steel Dagger
 * Golden Iron Destroyer
 * Hardened Iron Shortsword
 * Heavy Mithril Axe
 * Heavy Mithril Shoulder
 * Jade Serpentblade
 * Massive Iron Axe
 * Moonsteel Broadsword
 * Searing Golden Blade
 * Solid Iron Maul
 * Steel Weapon Chain

Engineering

 * Advanced Target Dummy
 * Blue Firework
 * Bright-Eye Goggles
 * Compact Harvest Reaper Kit
 * Craftsman's Monocle
 * Fire Goggles
 * Gnomish Goggles
 * Gnomish Rocket Boots
 * Goblin Rocket Boots
 * Green Firework
 * Large Blue Rocket
 * Large Green Rocket
 * Large Red Rocket
 * Large Seaforium Charge
 * Red Firework

Leatherworking

 * Barbaric Belt
 * Barbaric Bracers
 * Barbaric Gloves
 * Barbaric Harness
 * Barbaric Leggings
 * Barbaric Shoulders
 * Comfortable Leather Hat
 * Dusky Belt
 * Dusky Boots
 * Dusky Bracers
 * Dusky Leather Armor
 * Dusky Leather Leggings
 * Frost Leather Cloak
 * Gloves of the Greatfather
 * Green Leather Armor
 * Green Leather Belt
 * Green Leather Bracers
 * Green Whelp Armor
 * Green Whelp Bracers
 * Guardian Armor
 * Guardian Belt
 * Guardian Cloak
 * Guardian Gloves
 * Guardian Leather Bracers
 * Guardian Pants
 * Heavy Armor Kit
 * Heavy Leather Ball
 * Hillman's Cloak
 * Murloc Scale Bracers
 * Raptor Hide Belt
 * Raptor Hide Harness
 * Swift Boots
 * Thick Leather
 * Thick Murloc Armor

Tailoring

 * Azure Silk Gloves
 * Earthen Silk Belt
 * Green Silk Pack
 * Hands of Darkness
 * Small Silk Pack
 * Star Belt
 * Truefaith Gloves