This Lululemon Define jacket is a size 12 track jacket made of polyester blend fabric. It features a 1/4 zip closure, long sleeves with thumbholes, and pockets. The gray jacket is designed for athletic wear and has a mid-length cut. It is suitable for various occasions such as travel, casual outings, and activewear. Perfect for all seasons, this jacket is part of the Lululemon Define product line, catering to activities like yoga, running, and gym training.