Our model is 184 cm tall and wears size M.
He weighs 78 kg and wears size M on top and size M on the bottom.

LONAK-XT Veste Hardshell

High-mountain 3-layer Hardshell jacket

750 €
750 €
Colour : Black Storm
Size : S - EU : 46 / US : 36 Guide
Our model is 184 cm tall and wears size M.
He weighs 78 kg and wears size M on top and size M on the bottom.
Pay in 3 interest-free instalments with Alma
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Fast delivery and easy returns

Co-developed with a leading ski school and adopted by French mountain troops, the LONAK XT offers complete protection in extreme conditions. It features a Sympatex® membrane with a record waterproof rating of 52,000 mm Schmerber and maximum breathability during intense activity. Its reinforced construction ensures superior durability against abrasion and the repeated demands of rugged terrain.

Weight : 518 g

Performance

Waterproofness10 / 10
10 / 10
Wind-resistant10 / 10
10 / 10
Breathability8 / 10
8 / 10
Lightness9 / 10
9 / 10

Activities

  • 10/10 Mountaineering
  • 9/10 Ski touring
  • 10/10 Alpine skiing
  • 10/10 Hiking
Functional details

Design & material sourcing close to the Alps.

For optimal technical quality and reduced environmental impact using recycled materials produced in Europe.

Ergonomics & Safety

  • 2-way adjustable hood, compatible with ski or mountaineering helmets
  • RECCO® safety system for enhanced avalanche detection
  • Waterproof front zipper: YKK Aquaguard
  • Two large internal mesh pockets for skin storage
  • Two large chest pockets compatible with backpacks: waterproof YKK Aquaguard zippers
  • Side ventilation zippers for excellent breathability during effort: waterproof YKK Aquaguard zipper
  • Adjustable waist drawcords
  • Adjustable wrist closures
  • Chin guard: soft fabric, 100% recycled polyester
  • Laser-cut fabric panels for precise tailoring
  • Sealed seams with heat-bonded tape

SYMPATEX protection (Germany)

  • German membrane: outstanding waterproof laboratory test results with a rating of 52,000 Schmerber
  • Breathable fabric: RET < 8 (m²Pa/W) 100% windproof fabric
100% eco-designed collection

Two layers of 100% recycled polyester fabric protecting a 100% recyclable membrane. OEKO TEX® and BLUESIGN® certified fabrics ensure high environmental standards and non-toxicity for the user. Manufactured in a European workshop powered entirely by Green Energy.

Material composition

  • Outer layers (layers 1 and 3): 100% recycled polyester (non-waterproof)
  • Membrane (layer 2): 100% recycled polyester (waterproof layer)
  • Inner mesh pockets: 93% recycled polyester, 7% elastane
  • Zip cords: 95% recycled polyester, 5% polyester
  • Chin guard fabric: 100% recycled polyester

SYMPATEX® protection (Germany)

  • OEKO-TEX® and BLUESIGN® certified fabric ensuring high environmental standards and user safety
  • 0% fluorocarbons: Durable water repellent treatment without fluorocarbons (PFC Free)
  • 0% PTFE (harmful substance for humans and environment)

Inner pocket mesh fabric (France), recycled polyester: NEWLIFE® polyester yarn made 100% from recycled plastic bottles (Italy, Turin region)

Zip cords (France), recycled polyester

Your LONAK jacket takes its name from one of India's largest glaciers. To honor and protect this ice giant, we have dedicated ourselves to creating an eco-friendly garment made from natural or recycled materials. AYAQ aims to support your best mountain adventures while preserving the environment.

Care

Warranty, Care & Repair

Designed with meticulous care and the selection of the most technical, mountain-friendly materials, your Lonak XT comes with a 3-year warranty.

Washing

  • Machine wash at 30°C max, inside out with zippers closed.
  • Do not overload the machine.
  • Use regular detergent, no fabric softener or bleach.
  • Select an extra rinse cycle to thoroughly remove detergent.

Drying

  • Drying is essential to reactivate the durable water repellent treatment.
  • Air dry inside out.
  • Then tumble dry inside out on synthetic setting for max 15 minutes.

Repairs

We have chosen materials for their durability, and our artisans’ careful craftsmanship ensures strong resistance.

To keep your jacket performing for years of outdoor adventures, we will repair it whenever possible in our workshop near the Alps.


Styling Tips

We recommend pairing your jacket with the Nunatak pants and either the Shandar or Raven jacket for an efficient outfit, specifically engineered to work in harmony and complement each other.

Fast delivery and easy returns

Delivered as early as

Estimated delivery times: 2–5 working days in France and 4–8 working days in the rest of the eurozone. Free delivery on orders of €80 or more; €4 for orders below this amount. Returns are accepted within 30 days of delivery and are free within the European Union and Switzerland, with a prepaid label.

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Men - Size guide

Enter your measurements in cm. You can leave a field blank if you don't know the measurement.

These measurements are neither sent nor stored.

Size guideSMLXLXXL
EU46 / S48 / M50 / L52 / XL54 / XXL
US36 / XS38 / S40 / M42 / L44 / XL
Height (cm)171 - 175175 - 179179 - 183183 - 193193 - 197
Chest circumference (cm)95 - 9899 - 102103 - 106107 - 110111 - 114
Waist circumference (cm)81 - 8485 - 8889 - 9293 - 9697 - 100
Hip circumference (cm)96 - 99100 - 103104 - 107108 - 111112 - 115
Schéma de mesure pour homme

Comment bien mesurer pour choisir vos vêtements AYAQ ?

1
Chest circumference

Measure horizontally around the fullest part of your chest.

2
Waist circumference

Measure horizontally around the narrowest part of your waist.

3
Hip circumference

Measure horizontally around the widest part of your hips and buttocks.

View our fit guide

Not the right size?

You can exchange your item for a different size free of charge within 30 days of delivery. For more information, visit our page Refund policy.