First Ascent Thunderclap Rain Jacket is a versatile designed to keep you dry and comfortable in any rain conditions. This jacket is made from a 2-layer Vapourtex membrane that is fully waterproof and windproof with a PFC- Free DWR coating and all seams taped sealed to ensure that you are protected against wet conditions. Don’t get caught out in the rain without the First Ascent Thunderclap Rain Jacket.


  • Vapourtex ripstop shell fabric
  • 3,000 mm water column rating
  • 3,000 g/m²/24 h breathability rating
  • 2 Layer PU coating that is fully waterproof and taped seamed
  • PFC-Free DWR coating aids with water repellency
  • Volume control mesh-lined hood with a laminated brim
  • Exposed water-resistant front zip with inner zip flap
  • Single covered hand zip pockets
  • Double Layer yoke for durability
  • Underarm mesh vents for ventilation
  • Fully elasticated cuff to seal out rain
  • Adjustable hem shockcord cinch to seals in the warmth


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