Here's what other sites are saying:
The I/O Bio Merino Long Sleeve Crew is standard issue for year round use. Ideal for lower impact cold weather sports and activities like boating, downhill skiing and throwing snowballs.The long body length keeps you covered in a seated or bent over position.Merino wool can absorb up to 30% of its weight without feeling wet or losing it's insulative properties.Wool is a renewable and naturally anti-microbial, anti-bacterial material that will not hold odor.The super-fine fiber size makes a soft, stretchy, resilient fabric that is itch-free!Merino wool is a resilient fabric that is UV and burn-resistant, giving you durable apparel that will last for years.Technical advances allow merino to be washed and tumble dried like any other fabric.If you haven't tried Merino wool, you should. It'll make you a believer.
- NRS refers to the men's version
Around town, at the bouldering spot, or as a base layer on the mountain, the Men's I/O Bio Merino Contact 1 LS Crew is super versatile and attractive. The Enigma Merino wool fabric has enough stretch to it to allow for mobility and a flattering fit. Get into quality with the most versatile shirt in your closet, the I/O Bio Merino Men's Contact 1 LS Crew.
- Altrec Outdoors refers to the men's version
Highly breathable and ready to take on anything from backcountry ski tours to spring camping trips the I/O Bio Merino Menas Contact Crew Shirt uses a merino construction with some elastane mixed in for extra stretch and comfort. A next-to-skin fit lets you revel in your god-like physic or reminds you of the areas you need to work on.
- Backcountry.com refers to the men's version