Best Down Jacket for Trekking

Quick answer, because you’re probably booking a trek and short on time: for Himalayan trekking up to around 5,000 metres, you want a down jacket with 650–850 fill-power down and roughly 200–350 grams of fill, with a hood, packing down to about the size of a 1-litre bottle. Budget $200–$400 for a quality one (premium expedition pieces run $500+). That…