Women's Intraknit Active Base Layer BottomStrenuous activity is supposed to be uncomfortablebut Smartwool base layers can help reduce some of that. Meant to layer under shorts or pants, our Womens Intraknit Base Layer Bottom is designed to help with moisture management and temperature regulation. Its built with a blend of responsibly sourced Merino wool and TENCEL Lyocell fibres, making a performance fabric which helps with cooling. Plus, it offers a fit that moves with your body, mesh