The Bug:

The player can climb out of powder snow whilst wearing leather boots, whilst walking against a block, without having the need to jump.

Steps to Reproduce:

• Build the setup shown in the attachment below.
• Equip some leather boots.
• Walk into the powder snow.
• Whilst inside of the powder snow, walk into the wall next to it.
  →  Notice how you can climb out of powder snow whilst wearing leather boots, whilst walking against a block, without having the need to jump