O2 20k Waterproof Pants [EN]
O2 20k Waterproof Pants Black Front
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Valoración media: 5/5 - Nº valoraciones: 1

O2 20k Waterproof Pants

The O2 20k Waterproof Trail Pants are a 2.5 layer waterproof (20.000mmH2O)breathable (20.000g/(m²·24hrs), extremely lightweight (130 g.) and 100% windstopper pants. Specifically designed for trail running, they are equipped with a double adjustment system at the bottom leg making the pants move with you providing a full range of movements. Foldable in its own pocket they are ideal for high intensity activities under heavy rain.

Fast&Light - 130g (M)

Cremalleras YKK

More details

89,90 €
  • XS
  • S
  • M
  • L
  • XL

Recommended use

Trail Running, Skimo


  • YKK® side zippers
  • One hand zipper puller adjustable cuff
  • Foldable in its back pocket (One hand zipper puller)
  • Elastic adjustable waist. (One hand gloves compatible system)
  • DWR Treatment (Durable Water Repellency).
  • Recommended as part of the obligatory equipment for most ultra races.


2.5-layer O2 membrane. Composition: 59g/m²  54% Nylon-66, 46% Polyurethane.
Waterproof: 20.000mm Water column (TEST JIS L1092: 2009 - 7.1.2).
Breathability: 20.000g/(m² 24h) (TEST JIS L1099: 2006 METHOD B1) - equivalent to RET<6 (Test Report by independent textile laboratory)
Exterior DWR (Durable Water Repellency) treatment repels rain and snow, protecting the membrane from water saturation and facilitating its ability to breathe. The DWR treatment also allows the garment to dry more quickly.

Important: try to avoid deodorants, make-up or sun creams as their chemicals can pollute the membrane chemically generating irreversible damages.


XS 120 g.
S 125 g. 
M 130 g.
L 135 g. 
XL 143 g. 


cm / kg5560657075808590

Information about care and maintenance

Write a review

 on 2019-04-08Muy funcional, para lo ligero y sencillo que es un pantal—n de este tipo, tiene los detalles necesarios como las cremalleras largas en los tobillos para poner zapatillas sin mojar todo el pantal—n por dentro, el ajuste de cintura, bolsillo trasero, y sobre todo, la membrana que funciona a las mil maravillas.
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