Recommended Price: £125Weight: 404g (large) This reasonably lightweight synthetic insulated jacket is filled with Cirrus 3M Featherless insulation – which Rab reckon is equivalent to 600 fill power down. That’s a little way short of the the warmth and loft properties of the very best quality down – but then synthetics are also easier to wash, perform better when wet, and are cheaper. There are thinner fleece panels down the sides of the jacket, along the bottom of the arms and the sides of the hood. When working hard in an insulated jacket I often find the surface fabric ends…