• Pattern: Green Lumberjack Shirt
• Item Level 72Disenchants into:
  Not disenchantable
• Requires Tailoring (400)
• Use: Teaches you how to sew a Green Lumberjack Shirt.
• [Green Lumberjack Shirt]
• Requires Bolt of Frostweave (4), Green Dye
• Sell Price: 1 25

Source

This is a random Northrend world drop.

Patch changes

• / Patch 3.0.2 (14-Oct-2008): Added. 
  

External links

• Battle.net (EU)
• Wowhead
• Thottbot
• WoWDB