... garments are all made of pure and soft merino wool. specification:style: crew collar, zip top. full ... requirements. Main merino wool fabric we use: MaterialConstructionWeight Fineness100% Merino Wool S/J120gsm17.5micron100% Merino Wool S/J180gsm18.5micron100 ... WoolInterlock250-280gsm19.5micron main products we supply:100% merino wool , wool blended, cashmere, cotton, modal, soybean,bamboo underwear set ...