Fox Women's Sonar Jacket - in stock now. FEATURES of the Fox Women's Sonar Jacket Heat is on in the new Sonar Jacket A light-weight puffer, perfect for layering or wearing Sonar features 120 gm poly fill in the body and 100 gm fill in the sleeves Maximum warmth and a polar fleece lined collar and pockets for added protection from the elements A moto-inspired collar and slimming stylelines accentuate the female form Micro Fiber Plain Weave, 60 g with DWR + 600 mm clear PU coating for water resistance