Smartwool Merino Tee - Women's Burnt Sienna Large. The year-round Women's Merino Short Sleeve Tee is up to the challenge. With our Core Spun technology we've wrapped Merino around a nylon core for added durability while still keeping the comfort of ultra-soft responsibly sourced Merino next to skin. Built for consistent comfort even when wearing a pack this shirt is ready to explore the world on your back. Specifications for Smartwool Merino T-Shirt - Women's: Manufacturer: Smartwool Sleeve Length: Short Age Group: Adults Apparel Fit: Slim Gender: Female Application: Outdoor Fabric/Material: 88percent Merino Wool 12percent Nylon Sleeve Type: Short Sleeve Features of Smartwool Merino T-Shirt - Women's Lightweight Merino jersey fabric uses a recycled nylon core while still keeping 100percent Merino wool next to skin Package Contents: Smartwool Merino T-Shirt - Women's Smartwool SW016916Q58100L000: Merino Tee - Women's Burnt Sienna Large