Change can be a good thing! Smartwool has improved the fit on their 100% Merino bottom with new side seams and a curved seam in the back that provides a slimming effect, while reducing sag and excess fabric. Smartwool's Women's Merino 250 Baselayer Bottoms are designed to keep you doing what you love while staying comfortable, helping with temperature regulation and wrapping you in unbelievable softness.