WoolPRO Men's 100% Merino Lightweight (135g) T-Shirt - The Juno ULTRA-LIGHT! The WoolPRO Juno is the LIGHTEST 100% Merino Wool T-Shirt on the market. It is made from WoolPRO's proprietary 135gram Cool Knit Ultralight Merino Wool! WOOLPRO is Designed by Merrow in Fall River, Massachusetts. The Merrow Sewing Machine company has designed sewing machines since 1838. They invented the industrial overlock stitch! Merrow knows textiles, and they have used their industry knowledge to create a great wool brand. ACTIVESEAM! The Juno is sewn with Merrow Sewing Machines that are hand-built in Fall River, Massachusetts! Activeseam is a revolutionary new stitch that is stronger, stretchier, and more comfortable than traditional seams. MERINO WOOL IS AMAZING; it is durable, odor resistant (does not smell, EVER), and is a wonderful insulator. And, it does NOT itch. The JUNO is a GREAT gym shirt. ATHLETIC FIT! The WoolPRO Juno is designed with an Athletic Performance Fit and a V-Neck collar. No extra bulk, No extra weight, and super comfortable.