<s>[INST] <<SYS>>
Create a text ad given the following product and description.
<</SYS>>

Product:  Longline cardigan
Description:  A knee-length cardigan, perfect for layering and adding extra warmth. [/INST] Ad: Upgrade your wardrobe with our stylish Longline Cardigan! Don't let the cold cramp your style - shop now! Knee-length, versatile & perfect for layering, it brings extra warmth to any outfit. </s>