I have a mammut broad peak light, and it is excellent, packs pretty small, and is surprisingly warm. However if it's to be stored in a vehicle, and to put on when you're all sweaty and possibly wet, I'd go for synthetic.
@chiroshi started
London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
This site is supported almost exclusively by donations. Please consider donating a small amount regularly.
I have a mammut broad peak light, and it is excellent, packs pretty small, and is surprisingly warm. However if it's to be stored in a vehicle, and to put on when you're all sweaty and possibly wet, I'd go for synthetic.