Why you should wear merino wool in the summer
Thinner, lighter, more breathable fabrib
Wool is able to be woven less densely than, say, cotton, and still look professional. You get a fabric that's very thin, very breathable, and still presentable.
Our lightweight textile has a weight of 135g/m². It makes the T-shirt feel light, airy and is extremely suitable for the summer heat.
Merino wool is colder to wear
10 trained men wore T-shirts in three different fabrics in temperatures of 8°C and 32°C. In both cases, they replied that the woolen T-shirts were the most comfortable. But the result was also measurable:
Wearing polyester: Sweating after 9 minutes
Wearing merino wool: Sweating after 15 minutes
Results posted by the University of Otago: http://www.ncbi.nlm.nih.gov/pubmed/18357537
Merino wool have high UV protection
Wool absorbs radiation throughout the UV spectrum while cotton, nylon, acrylic and silk are very poor absorbers of UV, absorbing only limited wavelengths of the ultraviolet range.
Separate research projects by Hilfiker (1996), Reinert (1997) and Haerri (2000) have shown that wool, Merino fibre in particular. is a far better barrier against UV light than any other fabric.
A 2001 study of the UV protection abilities of 236 different fabrics found that more than half of the test fibres fell short of the European standard for UV protection. Merino wool was one of the fabrics that passed all of the tests conducted during the study, while nylon, linen, viscose and cotton all fared extremely poorly.
Merino feels dry to the skin
Merino fibres can absorb moisture equivalent to 35% of its weight without feeling wet and it evaporates quickly into the air. Therefore Merino T-shirts feels comfortable against the skin and does not stick to the body.
Merino wool breaks down odor
Merino T-shirts can be worn for several days while sweating, without developing odor. As the skin is kept drier when wearing merino wool, less bacteria and odor are developed.
If you want to read more about wearing wool in the summer, Esquire has also written an article about it: The Argument for Wool in the Summer