Adaptable, breathable, and comfortable, the Mountain Hardwear Men's Alpen Plasmic Ion Jacket handles the ascent whether through climbing or hiking with poise and grace. The durable, 2. 5 layer 70D Dry Q. Evap fabric is abrasion resistant, waterproof, and breathable, keeping the elements at bay while resisting that clammy feeling when you work up a sweat. The vertical chest pockets have water resistant PU zippers and are pack and harness compatible, ensuring that your valuables stay safe and sound through all of your mountainous adventures. With a three way adjustable hood, protection is customized depending on the weather, and if it's a hotter than expected day, underarm ventilation zips let you cool down quickly.