The therm a rest vela down blanket is an ultra lightweight ultra comfortable and luxurious quilt that contains nikwax hydrophobic down and thermacapture backed seams in an oversized blanket form to offer a fantastic night s sleep on your next camping trip this vela range has been updated for 2016 by therm a rest who have replaced the normal down of last year s model with nikwax hydrophobic down which stays dry and retains loft six times longer than untreated down meaning that it will offer impro