Icebreaker Women Merino 150 Siren LS Sweetheart Midnight Navy M. Specifications for Icebreaker Women Merino 150 Siren LS Sweetheart T-Shirt: Manufacturer: Icebreaker Apparel Fit: Slim Gender: Female Color: Midnight Navy Application: Underwear Fabric/Material: 83percent Merino Wool/ 12percent Nylon/ 5percent Elastane Weight: 4.33 oz Features of Icebreaker Women Merino 150 Siren LS Sweetheart Merino Corespun - merino blend regulates body temperature in all weather conditions Package Contents: Icebreaker Women Merino 150 Siren LS Sweetheart Icebreaker IB103194401M: Women Merino 150 Siren LS Sweetheart Midnight Navy