Change can be a good thing. We've improved the fit on our 100% Merino bottoms with new side seams and a curved seam in the back to help provide a slimming effect while reducing excess fabric. Our Women's Merino 250 Baselayer Bottoms are designed to keep you doing what you love while staying comfortable-helping keep your body temperature-regulated and wrapping you in unbelievable Merino wool softness. Women's Classic Thermal Merino Base Layer Bottom