Hyatt Regency Portland at the Oregon Convention Center, Portland Hyatt Regency Portland at the Oregon Convention Center Portland, Oregon Hyatt Select Room Mercer+Mettle 1 4 Zip Sweater MM3020. An easy to layer, easy care essential designed to complement your work life style features a perfect weight knit that maintains its shape regardless of wear. Rib detailing and a smart cadet collar exude a modern sophistication for work or play. Fabric+Weight 90 9 1 cotton nylon spandex Features+Benefits Rib collar, cuffs and hem Cadet collar Dyed to match coil zipper with black pull Fully fashioned raglan sleeves