Experience the luxurious softness of Mustang Sally – a 4 oz. superwash merino combed top, meticulously dyed in small batches with commercial acid dyes to ensure vibrant and lasting color. At Birch Tree Fiber Arts Co., we take pride in our commitment to quality and craftsmanship, sourcing our fibers right here in the USA. Perfect for spinning, this exquisite merino top is designed to ignite your creativity. Discover the rich color and texture that only our hand-dyed fibers can provide. Elevate your projects with Mustang Sally from BTFA.