This is such a nice, next-to-skin base layer that doesn’t irritate you no matter how hard you exert yourself. 
Patagonia says: 
A breathable merino technical top, designed to naturally regulate your temperature, control odor and keep you..…
                 
    
            
                    
        
            Was:
            
                
            
        
        
            
                
            
            
                Now:
            
            Kr.524,91
        
        
        RRP:
        
                    Kr.656,16
                     
        
                       | Save:  Kr.131,25