A single layer can have a bigger impact than you think. The men's Mountain Hardwear Air Mesh long-sleeve crew top may look unassuming, but once you have it on, you won't need anything else.
Features
AirMesh fabric features tubular interior fibers to regulate temperature, all while reducing weight by half compared to yarns of similar thickness
Sleek mesh exterior won't bind when worn beneath a shell or additional mid layer, while brushed microfleece interior traps air for warmth
Moisture wicking and fast drying makes this ideal for active and aerobic uses
Classic crew neck styling
Side seams are designed to prevent chafing
Raglan sleeves provide excellent freedom of movement
Low-profile thumbholes
Center back length: 28 in.
Standard fit runs true to size—it's not too tight and not too loose