ThermalShell
The warmest jacket in our range. Zoned Merino thermal protection and windproof panels. The Thermalshell 333 uses different wool weights to protect exposed areas while remaining lightweight. Its two large front pockets can hold a headlamp and hat, making it the ideal companion for extreme races or passive phases. Premium equipment so you'll never fear the cold again.
Consultez notre guide des tailles pour un ajustement optimal.
30 jours d’essai gratuits.
Vous avez 30 jours pour mettre votre équipement à l'épreuve du terrain. S'il ne vous convient pas, même après une sortie, nous vous l'échangeons ou le remboursons gratuitement.
Achetez en toute sérénité grâce à nos solutions de paiement certifiées et adaptez votre budget à vos envies.
Avec notre partenaire Alma, profitez du paiement en 2, 3 ou 4 fois sans frais. Une solution simple et immédiate pour vous équiper aujourd'hui, sans impacter votre budget du mois.
Garantie & Réparation
Nous privilégions la longévité au remplacement. Votre équipement est garanti 2 ans et nous réparons gratuitement votre matériel durant la première année en cas d’accroc ou d’usure exceptionnelle.
Conception durable & Responsable
Pensés en France et confectionnés en Europe, nos produits sont bâtis pour endurer des milliers de kilomètres. Cette approche éco-responsable garantit un équipement robuste qui respecte votre terrain de jeu tout en résistant aux conditions les plus extrêmes.


- GuardMerino155™
- Thermal Map™
- GuardMerino250™
This fabric features a dual-layer construction with merino wool on the inside for excellent thermoregulation and polyamide on the outside for enhanced durability. With a weight of 155 g/m², combined with a Drytech C0 water-repellent treatment, it provides ideal protection. In practice, the hollow fibers of merino wool can absorb up to 20% of their weight in moisture, which is then warmed by the body, creating an effective thermal barrier against the outside, similar to a neoprene wetsuit.
This strategic body mapping, based on areas of heat loss, involves placing fabrics with different thermoregulation and breathability properties in key zones. The upper torso and shoulders use a higher-weight fabric to maximize warmth, while low-loss areas such as the sides are made with a more breathable material. The result is the perfect balance of thermoregulation, breathability, packability, and lightness.
With a weight of 250 g/m², the fabric of this jacket features a dual-layer construction with merino wool on the inside for excellent thermoregulation in cold conditions, and polyamide on the outside for enhanced durability. Combined with its Drytech C0 water-repellent treatment, this fabric is ideal for an ultra-versatile jacket. With 100% stretch in the warp and 80% in the weft, it adapts to the volume of your pack if you choose to wear the jacket over it.
- GuardRogue™
Placed along the sides, this fabric enhances the jacket’s packability and lightness while maintaining its windproof properties. Thanks to its very tight weave and a weight of just 107 g/m², it promotes effective thermoregulation for the runner. Its Drytech C0 water-repellent treatment also provides additional protection against light rain.
- PackablePocket™ (Thermalshell)
- RigidVisor™ (Thermalshell)
- CleanSeal™
- LightStuffPocket™
- Dump Pocket™
- Adjustable Cordlock™ (Thermalshell)
- HoodBand™
- Sealing Cordlocker™ (Thermalshell)™
The dimensions of this pocket have been carefully designed to allow the jacket to be packed into itself, making it easy to slip into your belt or pack. Simple and intuitive to use, you just need to fold the jacket into the pocket to instantly reduce its volume. Located at the back of the jacket, under the hood, this pocket also allows you to store the hood when not in use.
The front of this hood is intentionally more rigid to create a protective visor against light rain. Compatible with a beanie or a cap, this panel adds structure for a fit that follows your head movements, allowing you to stay focused on the terrain.
Whether at the hem of the jacket or around the hood, this seamless bonded finish eliminates friction for unmatched comfort. In addition to its clean, minimalist design, it slightly limits the fabric’s elasticity at the edges for an optimal fit and drape.
Positioned on the side of the jacket, this pocket is designed to hold lightweight items such as gloves or a bandana while running. When stationary, for example at a refuge, it can also be used to store essentials you want to keep within reach, such as your headlamp or phone.
Positioned on the front of the jacket, these large, ultra accessible pockets are designed to store items commonly used during bivouac. Headlamp, gloves, beanie, everything stays within easy reach. While you can carry a few lightweight items while running, such as a bandana, these pockets are primarily intended for use during rest periods.
Minimalist and intuitive, this elastic drawcord with cord lock allows you to tighten the back of the hood for a precise fit and maximum protection against the wind.
Made with EverdryAero™ fabric, this headband ensures a secure hold of the hood, even in strong winds.
Minimalist and intuitive, this elastic drawcord with cord lock allows you to tighten the bottom of the jacket to reduce heat loss.
A TRAIL JACKET DESIGNED FOR ULTRA-DISTANCE
Which trail running jacket should I choose?
ThermalShell
- GuardMerino155™
- Thermal Map™
- GuardMerino250™
- GuardRogue™
- PackablePocket™ ..
- RigidVisor™ (The..
- CleanSeal™
- LightStuffPocket™
- Dump Pocket™
- Adjustable Cordl..
- HoodBand™
- Sealing Cordlock..
NanoShell 160g
- GuardMerino155™
- Thermal Map™
- GuardLite™
- PackablePocket™ ..
- RigidVisor™ (The..
- CleanSeal™
- LightStuffPocket™
- GuardMerino155™
- Thermal Map™
This fabric features a dual-layer construction with merino wool on the inside for excellent thermoregulation and polyamide on the outside for enhanced durability. With a weight of 155 g/m², combined with a Drytech C0 water-repellent treatment, it provides ideal protection. In practice, the hollow fibers of merino wool can absorb up to 20% of their weight in moisture, which is then warmed by the body, creating an effective thermal barrier against the outside, similar to a neoprene wetsuit.
This strategic body mapping, based on areas of heat loss, involves placing fabrics with different thermoregulation and breathability properties in key zones. The upper torso and shoulders use a higher-weight fabric to maximize warmth, while low-loss areas such as the sides are made with a more breathable material. The result is the perfect balance of thermoregulation, breathability, packability, and lightness.
- GuardLite™
This 54 g/m² fabric is a true technological achievement, offering the ideal balance between wind protection, breathability, and packability. It also features a mechanical treatment that tightens the fibers to enhance air permeability, along with a Drytech C0 finish. The result is one of the best materials for creating a highly breathable and ultra-compact windbreaker. Unlike conventional windbreakers, this fabric has no coating, maintaining a soft, silky feel with no noise.
- PackablePocket™ (Thermalshell)
- RigidVisor™ (Thermalshell)
- CleanSeal™
- LightStuffPocket™
The dimensions of this pocket have been carefully designed to allow the jacket to be packed into itself, making it easy to slip into your belt or pack. Simple and intuitive to use, you just need to fold the jacket into the pocket to instantly reduce its volume. Located at the back of the jacket, under the hood, this pocket also allows you to store the hood when not in use.
The front of this hood is intentionally more rigid to create a protective visor against light rain. Compatible with a beanie or a cap, this panel adds structure for a fit that follows your head movements, allowing you to stay focused on the terrain.
Whether at the hem of the jacket or around the hood, this seamless bonded finish eliminates friction for unmatched comfort. In addition to its clean, minimalist design, it slightly limits the fabric’s elasticity at the edges for an optimal fit and drape.
Positioned on the side of the jacket, this pocket is designed to hold lightweight items such as gloves or a bandana while running. When stationary, for example at a refuge, it can also be used to store essentials you want to keep within reach, such as your headlamp or phone.
ThermalShell
Conçue pour les conditions les plus extrêmes
FAQ - ThermalShell
The choice of a Wise trail jacket depends on weather conditions and your need for protection (wind, cold, or rain).
Thermalshell 112: ultra-lightweight and breathable windbreaker, ideal for intense efforts and windy conditions
Thermalshell 122: lightweight merino wool insulation, perfect for changing conditions and long distances
Thermalshell 333: maximum thermal protection, designed for cold and demanding environments
Rainshell 253: waterproof jacket (20K), essential for rain or ultra-marathons with mandatory equipment
In summary, choose your jacket according to your needs:
Wind and intensity → Thermalshell 112
Versatility → Thermalshell 122
Cold → Thermalshell 333
Rain → Rainshell 253
To choose the right size for the Wise trail jacket (Thermalshell 112), it is recommended to base your choice on your chest and waist measurements to ensure a comfortable and high-performance fit during your run.
Jacket Size Guide:
XXS: chest 78–83 cm | waist 66–70 cm
XS: chest 84–89 cm | waist 71–76 cm
S: chest 90–94 cm | waist 77–81 cm
M: chest 95–99 cm | waist 82–86 cm
L: chest 100–104 cm | waist 87–91 cm
XL: chest 105–110 cm | waist 92–97 cm
Measure your chest circumference at the widest part of your chest, and your waist circumference just above your hips.
Between two sizes: what to choose?
- A size up will provide more comfort and make it easier to wear with additional layers.
- A size down will offer a more fitted feel, ideal for reducing wind resistance and optimizing performance.
How to tell if the size is right?
A well-fitting trail jacket should:
- Stay close to the body without compressing
- Allow good freedom of movement
- Be comfortable with or without a pack
- Not flap in the wind
Proper care of your Wise trail jacket is essential to maintain its performance, breathability, and durability over time.
Washing
- Use a delicate or synthetic program at 30°C
- Opt for a low spin cycle (minimum rpm)
- Use a liquid detergent without harsh chemicals
- Avoid fabric softener, which damages technical fibers
Drying
- Air dry your jacket
- Avoid prolonged direct heat sources
Water Repellency Reactivation (for waterproof jackets)
For waterproof jackets, it is recommended to:
- Follow the same washing rules
- Reactivate the water-repellent treatment after several uses
You can:
- Tumble dry the jacket on a delicate program (10 to 15 minutes maximum)
or use a hairdryer
Free delivery on all orders over 100€
Nous vous laissons 30 jours pour essayer votre produit. S'il ne vous convient pas, nous le reprenons.
Réparez votre produit gratuitement. Valable jusqu'à 1 an après l'achat.
En cas d'erreur de taille, nous effectuons le changement sous 48h.