Thanks to their unbeatable performance and versatility, you can use our Aenergy Light styles for all seasons and sports. The ultralight midlayer combines the right amount of warmth with optimal moisture wicking and breathability, making it suitable as a base layer – for ski touring in winter and hiking in summer. With a deep-cut half-length zipper for temperature regulation and a laminated pocket for your essentials, the Aenergy Light ML Half Zip Pull is the solution for those who value maximum performance at minimal weight.
| Clothing size | M | 
| Sleeve length | Long sleeves | 
| Material composition | 17% spandex, 9% spandex, 91% polyester, Inserts: 83% polyamide | 
| Target group | Women | 
| Item number | 54203771 | 
| Manufacturer | Mammut | 
| Category | Functional undershirts | 
| Manufacturer no. | 1014-05531-5118-114 | 
| Release date | 24.1.2025 | 
| Colour | Blue | 
| Exact colour description | Marine | 
| Upper | Polyester, Spandex | 
| Material composition | 17% spandex, 9% spandex, 91% polyester, Inserts: 83% polyamide | 
| Target group | Women | 
| Age group | Adults | 
| Clothing size | M | 
| Sleeve length | Long sleeves | 
| Collar shape | Banded collar | 
| Fit | Slim fit | 
| Pattern | Unicoloured | 
| 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 | 
How often does a product of this brand in the «Functional undershirts» 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 GalaxusUnfortunately, we don't have enough data for this category yet.
How often is a product of this brand in the «Functional undershirts» category returned?
Source: Digitec Galaxus