Mammut Aenergy Firstlayer T-Shirt

 Aenergy t-shirt is Mammut’s lightest and most technical base layer, designed as a true multi-sport MVPs. The airy and breathable fabric, enhanced with offset merrow stitching, delivers a barely-there feel, while body-mapped mesh zones boost ventilation.

Key Features

• Airy fabric with offset merrow stitching minimizes friction and maximizes airflow.
• Body-mapped mesh panels ensure targeted breathability.
• Naturally draws moisture away and dries rapidly for optimal temperature regulation.
• Designed to reduce odor buildup during your most intense activities.
• Keeps you visible in low-light conditions as the sun.
• Combines technical function with a minimal, barely-there feel for superior movement. 

Suitable For

Multi-sport outdoor activities such as hiking, trail running, climbing or anyone seeking a high-performance base layer to manage sweat and temperature during strenuous activities.

Care Instructions

• Machine wash cold with like colors.
• Do not use bleach; follow the care label instructions.
• Air dry or tumble dry on low heat. Iron on low setting if needed.