MERINO XTREME M´S L/S SHIRT ½ ZIP.Composition:- Outside:80% Merino Wool, 20% Polyamide.Inside:100% Polyester.FEATURES:-Our best-seller 220 gsm Merino blend.-Dual Layer Fabric - Keeps you warm and dry.-Outside Merino Wool/Polyamide Blend for added durability.-Inside Functional Polyester for quick-drying comfort.-Ultra-soft feeling and perfect fit for max freedom of movement.-Superior breathability and natural anti-bacterial protection.-Flatlock seams to prevent chafing.-Offset shoulder seams to prevent friction.-Longer backside protects from the cold.-Embroidered Thermowave logo.-Gusseted underarms for mobility and comfort.-YKK 1/2 ip neck collar for temperature regulation.Weight:- 220.