Each Essential Undershirt is enhanced with a Contemporary Cotton gusset in the underarm. This gives you extra sweat protection while keeping you dry and comfortable, and keeps your clothes clean longer. Contemporary Cotton is a high-performance fabri
Our Numi undershirts are made of 90% TENCEL® and 10% Lycra. If you’d like to learn more about our fabrics, please visit our Materials page.
Contemporary cotton, or organic cotton, is grown and processed using sustainable methods and materials that have a lower impact on the environment and human health compared to conventional cotton. It is processed without harsh chemicals or synthetic
Our undershirts are designed to be an invisible layer underneath your clothing. While it is possible to wear it on its own, its main purpose is to be worn underneath another shirt. As a result, the fabric is typically made thin to achieve a seamless
What makes out undershirts sweat-proof are our sweat-absorbing underarm pads and sweat-wicking TENCEL™ fabric.
A sweat-proof undershirt is a type of undershirt designed to prevent sweat from showing through outer clothing. Our undershirts contain moisture-wicking properties and sweat-absorbing underarm pads.
Our undershirts are meant to be worn as a base layer underneath your outer clothing. Our sweat-proof undershirts are specifically designed to be worn under other garments to provide a layer of protection against sweat stains. We recommend layering yo
TENCEL™ fabric is a type of eco-friendly fabric made from cellulose fibers derived from sustainably harvested eucalyptus trees. TENCEL™ fabric is known for its softness, durability, and moisture-wicking properties. It is also resistant to wrinkles an