Lululemon Belle Jacket Black Cinch Peplum Waist Hooded Windbreaker Coat Sz 6; Style Number  W4ADVS; Material: Swift Ultra Light.  

When temps start to dip, zip into this lightweight jacket and you're good to go.
Swift Ultra Light
Four-way stretch Swift Ultra Light fabric is an airy, lightweight fabric woven to wick sweat and provide airflow—seriously, it’s like being in the buff

    four-way stretch
    lightweight
    sweat-wicking
    woven for airflow