Icebreaker 175 Everyday Short Sleeve Crewe Thermal Top - Womens Black Extra Small. Specifications for Icebreaker 175 Everyday Short Sleeve Crewe Thermal Top - Women's: Manufacturer: Icebreaker Body Length: Regular Age Group: Adults Apparel Fit: Slim Gender: Female Color: Black Application: All Purpose Fabric/Material: 100percent Merino Wool Weight: 3.52 oz Features of Icebreaker 175 Everyday Short Sleeve Crewe Thermal Top - Women's Soft merino fibers that regulates body temperature in all weather conditions and resists odors Rib fabric provides stretch and comfort Package Contents: Icebreaker 175 Everyday Short Sleeve Crewe Thermal Top - Women's Icebreaker IB104470001XS: 175 Everyday Short Sleeve Crewe Thermal Top - Womens Black Extra Small