Intraknit™ Active Merino Our 3D-knit base layer features a fabric that combines natural benefits of Merino wool with softness and cooling properties of TENCEL™ Strenuous activity is supposed to be uncomfortable-but Smartwool® base layers can help reduce some of that. Meant to layer under shorts or pants, our Women's Intraknit™ Base Layer Bottom is designed to help with moisture management and temperature regulation. It's built with a blend of responsibly sourced Merino wool and TENCEL™ Lyocell fibers, making a performance fabric which helps with cooling. Plus, it offers a fit that moves with your body, mesh ventilation to help keep you dry, and minimal seams to help reduce chafing. With this bottom, you have fewer distractions to keep you from going at your workout with top-notch intensity. so go ahead and get after it! Features • Fit: Slim • Our slim fit is intended to follow the contours of the body • Fabric combines the moisture management, temperature regulation, and odor resistance of Merino with the softness and cooling properties of TENCEL™ Lyocell performance fabric • Mesh ventilation seamlessly knit in gender-specific zones designed to keep the body dry and comfortable during high-intensity activities • Works with a body in motion and provides a supportive fit for performance and training • Minimal seams to reduce chafing and allow you to work out distraction-free • Fitted with a high-rise waist meant to layer under your short or pant