Ice (3.4 oz) - Rambouillet /tussah silk (80/20)The premium wool in this small batch blend comes from a ranch committed to Climate Beneficial farming practices for their pure bred Rambouillet flock of sheep. The mill also spins yarn for one of the owners and can attest to the high quality of the wool which averages right around a soft 22 microns. There are some very narrow streaks of silk in the roving to help show the contrast with the shine of the silk after dying. . I take great care to make