The 10 best lightweight insulated jackets 2025: warmth without bulk for hiking in every season

Whether worn as a mid-layer underneath a hardshell on harsh winter days, or as a standalone outer layer in milder climes, a lightweight insulated jacket is a versatile piece of kit.

Lightweight insulated jackets reviewed
  • Excellent breathability
  • Cons

    • Maybe a bit specialist for some
    Weight405g
    FabricBluesign-approved 20D ripstop nylon w/ PFC-free DWR
    InsulationPrimaLoft Gold Active
    Men's sizesS - XL
    Women's sizesXS - XL