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M's Airmesh™ Long Sleeve
Description
Men's Airmesh™ Long Sleeve
The Men's Airmesh™ Long Sleeve by Mountain Hardwear is a high-performance base layer engineered for athletes and outdoor enthusiasts who demand efficient temperature regulation across a wide range of activities. Featuring an innovative active mesh construction made from hollow, tube-like polyester fibers, this long sleeve wicks sweat rapidly while supporting superior insulation and heat-shielding properties — keeping you comfortable from the trail to the slopes and beyond.
What sets this layer apart is its exceptional warmth-to-weight ratio — the highest of any fabric in the Mountain Hardwear lineup. Weighing in at just 5.5 oz / 157 g with a fabric weight of 115 g/m², it packs down easily without sacrificing performance. The brushed-back mesh construction delivers outstanding breathability, making it an ideal mid-layer or standalone piece for high-output mountain pursuits including hiking, backcountry skiing, mountain running, and ultralight backpacking.
A standout technical detail: the garment is fully reversible, offering two levels of warmth. When worn reversed with the backer facing out, the design increases airflow and can keep you up to 28% cooler — a versatile feature for variable conditions. Thumb loops constructed from a soft knit fabric keep the sleeves in place during layering, while a secure front left zip pocket provides easy access to trail essentials.
The body fabric is 100% polyester brushed mesh with a hollow core yarn, optimized for moisture management and durability across demanding endurance sports, expeditions, and winter camping trips.
- Hollow-core brushed mesh fabric for rapid moisture absorption and breathability
- Highest warmth-to-weight ratio in the Mountain Hardwear fabric lineup
- Reversible design — worn reversed, keeps you up to 28% cooler with increased airflow
- Secure front left zip pocket for stashing essentials
- Soft knit thumbholes for layering security and comfort
- Packable and ultralight: 5.5 oz / 157 g total weight
- Fabric: 100% Polyester brushed mesh, 115 g/m²
- Center back length: 28 in / 71.1 cm
- Ideal for hiking, skiing/snowboarding, mountain running, backpacking, expeditions, and more
Return Policy
Sale items can be returned for store credit only. We cannot accept returns on gift cards.
Regular Priced (Non-Sale) Items can be returned within 14 days of delivery for a full refund to your original method of payment. If the original method of payment is unavailable, we’ll issue your refund in the form of store credit.
To be eligible for a return, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase.