Spirit Leatherworks (SLW) is a product design, manufacturing, and distribution company focusing on premium craftsmanship & construction of leather goods. The common location of Eugene OR, helped make history in 2004 when Nike granted its first outside license to SLW with rights to design, manufacture, and supply belts for Nike Golf, worn by the company's sponsored golfers.

Owned and operated by the Adler family, they’ve continued the tradition with complex industry knowledge, innovation, and over 30 years of experience, becoming leaders in classic American leather goods and founding the brand Will Leather Goods, a premium leather and lifestyle company.