The Aenergy Firstlayer Half Zip T-Shirt Men from Mammut is a men’s first‐layer top made for high-intensity outdoor pursuits. It’s designed to sit close to the body and manage moisture from the start of your activity, whether you’re climbing, trail running or on a fast-paced hike.
Thanks to its quick-drying fabric, this tee helps you stay comfortable when you’re working up a sweat, while the half-zip neck gives you the option to vent heat on the move. As part of Mammut’s high-intensity line, it balances lightweight performance with enough coverage to wear under a shell or simply on its own when temperatures rise.
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Mammut says about the Aenergy Firstlayer Half Zip T-Shirt Men
Our lightest and most technical first layer is a true multi-sport MVP. Airy and breathable with offset merrow stitching, its barely-there feel is enhanced by body-mapped mesh and natural sweat-wicking properties for optimal temperature regulation. Quick-drying and odor inhibiting to keep up with your sweatiest challenges, its reflective detailing keeps you visible when the sun gives in before you do. The half zip variation of our staple high-performance t-shirt is an easy choice for every outdoor enthusiast.