Thunder Insulation Jacket [EN]
Thunder Insulation Jacket front

Thunder Insulation Jacket

The Thunder Insulation Jacket is a technical jacket insulated with the biopolymer Sorona® DuPontTM fiber, warm, light and easy to transport. Designed for for FAST&LIGHT activities in winter conditions, the external shell is made of Nylon 20D, 100% windproof and DWR (Durable Water Repellency) treatment which combined with the properties of Sorona® fiber, provide a perfect balance between thermal insulation, freedom of movements and breathability. 

FAST&LIGHT - 412g  (XS)

More details

109,90 €
  • XS
  • S
  • M
  • L
  • XL

Recommended use

Alpinism, Climbing, Skimo


  • YKK® Vislon® double opening zippers for use with harness
  • Helmet compatible hood with visor 
  • Double cuff for perfect fit with or without gloves
  • Harness-compatible side pockets 
  • Chest and side pockets with YKK® zippers 
  • 3 Interior pockets (one with zipper) for storing climbing shoes, soft flasks and mobile phone
  • Outdoor Fit, offers total freedom of movement


Exterior: 100% Nylon, 20 D, 400T, windproof, DWR (Durable Water Repellency) treatment.

Padding: Sorona® DuPontTM Biopolymer 120 g on the chest, back and 80 g on the sleeves and hood.

Sorona® bio-synthetic filler offers excellent thermal insulation, highly compressible, resistant, quick-drying and ecological. Contains 37% renewable plant-based ingredients. Sorona® fibers absorb very little water, maintaining their thermal properties even under the rain o high humidity environments.

Sorona Dupont Desde la planta a la chaqueta


XS - 412 g
S - 423 g 
M - 456 g
L - 474 g 
XL - 493 g


cm / kg505560657075808590


Información sobre cuidado y mantenimiento.

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