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Best synthetic insulated jackets 2025: In-depth reviews and buying advice for hikers

More cost effective than down, better in the damp, and suitable for vegans, we find the very best synthetic insulated jackets for hiking.

Best synthetic insulated jackets tested
Weight553g
Fabric20D Pertex Quantum Air w/ PFC-free DWR
Insulation53% recycled PrimaLoft Gold Active+
Men's sizesS - 2XL
Women's sizes8 - 16
Rab Xenair Alpine
  • Excellent breathability

    • Cons

    • Only works as 'active' insulation
    • Features
      5.0
    • Fit
      4.5
    • Comfort
      5.0
    • Performance
      5.0
    • Value
      3.5
    • Sustainability
      3.0
    Weight405g
    FabricBluesign-approved 20D ripstop nylon w/ PFC-free DWR
    InsulationPrimaLoft Gold Active
    Men's sizesS - XL
    Women's sizesXS - XL
    Black Diamond First Light Stretch Hoody