Thanks to their unbeatable performance and versatility, you can use our Aenergy Light styles for all seasons and sports. The ultra-light midlayer combines the right amount of warmth with optimal moisture wicking and breathability, making it suitable as a base layer – for ski tours in winter and hikes in summer. With a helmet-compatible hood and a laminated pocket, the midlayer jacket is the perfect solution for those who value maximum performance with minimal weight.
| Target group | Men | 
| Exact colour description | Marine | 
| Jacket type | Fleece jacket | 
| Fabric properties | Breathable, Heat insulating, Quick drying | 
| Material composition | 17% spandex, 9% elastane, 9% spandex, Insert: 83% polyamide, Main material: 91% polyester | 
| Item number | 54203720 | 
| Manufacturer | Mammut | 
| Category | Jackets | 
| Manufacturer no. | 1014-05541-5118-116 | 
| Release date | 24.1.2025 | 
| Sales rank in Category Jackets | 484 of 69392 | 
| Colour | Blue | 
| Exact colour description | Marine | 
| Upper | Polyester, Spandex | 
| Material composition | 17% spandex, 9% elastane, 9% spandex, Insert: 83% polyamide, Main material: 91% polyester | 
| Filling material | 17% elastane, 83% Polyamide | 
| Target group | Men | 
| Age group | Adults | 
| Jacket type | Fleece jacket | 
| Clothing size | XL | 
| Layer of clothing | Midlayer / Thermal Layer | 
| Fabric properties | Breathable, Heat insulating, Quick drying | 
| Area of use | Sports | 
| Hood type | Helmet Compatible | 
| Fit | Slim fit | 
| Pattern | Unicoloured | 
| Jackets Equipment | Elastic edging, Hood | 
| Style | Outdoor | 
| Season | All-season | 
| Country of origin | Bangladesh, Vietnam | 
| Manufacturer commitment | Fair wear, RE100, SBTi | 
| Manufacturer compensation | According to RE100, the manufacturer Mammut fully compensates for its energy consumption, leading to a reduction in emissions. | 
| CO₂-Emission | |
| Climate contribution | 
| Washing instructions | Suitable for washing machines | 
| Weight | 199 g | 
How often does a product of this brand in the «Jackets» category have a defect within the first 24 months?
Source: Digitec GalaxusHow many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?
Source: Digitec GalaxusHow often is a product of this brand in the «Jackets» category returned?
Source: Digitec Galaxus