Forclaz Women's Mt100 Down Puffer Vest in Black, Size 2XL
Forclaz Women's Mt100 Down Puffer Vest in Black, Size 2XL, The fill power is a measure of the down's thermal insulation capacity and its potential to "trap" air. It is expressed in CUIN (cubic inches). So, down with a higher fill power (higher CUIN number) will occupy more space, trap more air and provide greater thermal insulation. For this down jacket with its 85% down and 15% feathers filling, the fill power is guaranteed to be 800 CUIN or more (international standard). | Forclaz Women's Mt100 Down Puffer Vest in Black, Size 2XL