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I don't think an ice pack can fix that skin for Minecraft on PC (Java Edition) or Pocket Edition (PE).
PC (Java Edition):
This particular I don't think an ice pack can fix that skin has thick (4px) arms. It is based on the classic Steve model.
This particular Minecraft I don't think an ice pack can fix that skin has the following color palette:
Dove Gray
Dove Gray
Matrix
Pearl Bush
Copper Rust