Ibex Merino Wool Men's Base Layer Shak Lite 1/2 Zip Sweater Shak Lite, 100% USA Rambouillet Wool, 21 micron, Mid-weight Ponte Knit, 295g/m2 Made in US Machine washable and for best results, block to dry flat Mid-weight 100% USA-produced Rambouillet wool long-sleeve half zip Semi-fit, 12.5" zip neck with locking pull, with flatlock seams Interior chin guard, 5" zippered chest pocket, contrast panels (except on Black Coffee) Made in the USA from 100% Rambouillet Wool, Field to Factory 100% USA sourced garment Machine washable and for best results, block to dry flat