Alexander Wang wants you to be cool for the summer ... who utilized Uniqlo's AIRism clothing technology for the new line of moisture-wicking undershirts, camisoles, undergarments and slips.

Bella Hadid walks in Alexander Wang's New York Fashion Week ... Hadid (making her NYFW debut this week in black leather hot pants), Kendall Jenner (rocking her newly shorn locks that she debuted ...