Isabel Marant Etoile "Newton" Sweater, size 36 (fits like a comfy XS, like US si

Isabel Marant Etoile "Newton" Sweater, size 36 (fits like a comfy XS, like US size 2). Such a stupidly cute knit - the pattern has such a timeless feel - like is it vintage?? Or is it new?? Whatever it is - it's SOO perfect. Texture, without being overly specific. Can we talk for a minute about the styling with the shorts?? Where is it cold enough to wear a sweater but warm enough to wear shorts?? Is this like a desert thing?? With western boots?? I'm into it but I'm honestly curious. I would die of happiness if any of you bought this and did something that cool with it. The tucked into high waisted pants and belted thing?? So cool. 100% wool. Worn like twice and in excellent condition.