EDZ also do good merino baselayers.Thinner Merino stuff.
Montane do a Primino mix of different weights.
Shop men's next to skin baselayer. Free 90 day UK returns. Free next day delivery on orders over £25.www.montane.com
Check out Icebreaker and Armadillo.
Shop natural merino wool clothing from icebreaker® for your adventures outdoors and in life. Technical innovations and natural merino wool fibers provide the ultimate comfort and performance without compromising on style or the well being of the planet.www.icebreaker.comAdvanced Merino Wool next-to-skin clothing, trusted by professional operators and loved by adventurers. Armadillo Merino® Saving your Skin.armadillomerino.com
EDZ merino and synthetic base layers are suitable of all types of outdoor activity, hiking, running, cycling, running, skiing, motorcycling and everyday use and are available in a choice of styles and weights. Top quality, fantastic value, designed in the UK