The polyolefin component in the novel skin polymer blend can be polyethylene including high density polyethylene, which is preferred as well as low density polyethylene (density of about 0.910 to 0.925) including linear low density polyethylene or copolymers of ethylene with at least about 50 wt. % ethylene such as polyethylene ethylacrylate, polyethylene vinyl acetate, and polyethylene methylacry