Kanye West Wears Ski-Mask Style Headwear in Heatwave, Irina Shayk Wears Less

Kanye West is burying his head in the sand bag when it comes to dressing for L.A.'s scorching heatwave -- and could probably learn something from his new girl. Ye was rocking full balaclava headgear while tooling -- and sweating, we imagine --…