Hamptons rich mom energy isn't about labels or logos - it's channeling an ease that looks inherited via fashion. Think soft knits thrown over white jeans, neutral layers worn on repeat and outfits that feel just right for school drop-off and lunch by the water. The look is relaxed, lived-in and quietly confident. What it's not? Stiff or overdone. That's exactly the mood these coastal-chic sweaters capture. From timeless cable-knit pullovers to relaxed half-zip styles made for coastal days, these effortlessly cool sweaters are worth shopping on Amazon right now.