Clearance Aenergy FL Half Zip T-Shirt Baselayer – Short Sleeves

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The Aenergy FL Half Zip T-Shirt is a super light, breathable, slim-fitting base layer designed for high-octane mountain pursuits.

Mammut says: 

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.

All Mammut products purchased within the Europe come with an extended 30-month warranty period. For more details click here.

Our Verdict

My favourite thing about this base layer is its incredibly long zip that helps ventilate heat quickly when working hard in the hills.

The Polyester knit feels very nice against your skin, and the odour control works well. A good base layer that ticks all the boxes for me. I’m a medium in most clothing, and I don’t see any need to go up or down in sizing in the Aenergy.

– Reviewed by Ultralight Outdoor Gear

Features

• 100% recycled polyester
• Mesh ventilation zones on back and under arms
• Offset, smooth merrow-stitch seams
• Long half-length zipper makes it easier to put on and allows rapid ventilation in warm temperatures
• Treated with HeiQ Fresh FFL – a bio-based technology that reduces unpleasant odors
• Quick-drying
• Reflective elements

Specifications

• Small weighs: 91g
• Medium weighs: 97g
• Large weighs: 100g
• XLarge weighs: 118g
• Back Length: 71 cm (Size Medium)
• Athletic Fit

Material & Construction

• Polyester knit with fresh ffl by heiq

Help & advice:

• The Ultimate Guide to Lightweight Baselayers
• Recycled Content in Outdoor Gear
• What is Bluesign?