Mammut Aenergy FL LS Men's Technical Long Sleeve T-Shirt, Mammut Red

The Mammut Aenergy FL LS is a high-performance long sleeve t-shirt designed for trail running, hiking, mountaineering, and ski touring. Made from 100% recycled polyester, this lightweight top offers excellent moisture management and quick-drying properties to keep you comfortable during intense activities. The athletic fit and flatlock seams minimize chafing, while the HeiQ Fresh FFL treatment provides effective odor control. With UPF 30+ protection and bluesign® certification, this shirt combines sustainability with functionality.

Advantages

Lightweight and breathable fabric ensures optimal temperature regulation. The moisture-wicking material keeps you dry, and the odor control technology allows for extended wear without unpleasant smells. The athletic cut offers a full range of motion, making it ideal for dynamic movements.

Suitable for

• Trail running and ultra-distance running
• Hiking and backpacking
• Mountaineering and alpine climbing
• Ski touring and winter sports

Key specifications

• Material: 100% Recycled Polyester
• Weight (Size M): 135 g
• Fit: Athletic Fit
• Neckline: Crew Neck
• Seam Construction: Flatlock seams
• UV Protection: UPF 30+
• Odor Control: HeiQ Fresh FFL treatment
• Sustainability: bluesign® PRODUCT
• Color: Mammut Red

Recommendations

For best performance, pair with Mammut running shorts or lightweight pants. Machine wash cold with similar colors, do not use fabric softener, and air dry.