Boston Athletic Asso ciation (B.A.A.), a leading sports manufacturer adidas, and The Woolmark Company have announced their partnership to create and gift the first Best in Class tee, which will be reserved only for the top 20 2018 Boston Marathon finishers per 13 age groups. adidas and The Woolmark Company are partnering to develop innovative new product applications within the sports and performance market by applying the science and performance benefits of biodegradable Australian Merino wool to achieve breathability, temperature control and odour resistance.