Opposites attract. Wood and metal merge to exquisite effect in the S.A.C. Chair trim lines and sleek curves, making it nearly impossible to see where one material ends and another begins. Tokyo-based designer Naoya Matsuo masters the combination in this armchair so precisely configured that the surfaces do not touch when stacked. Backrest and seat are rendered in black-stained oak veneer with black-finished metal frame. From Danish house Woud, devoted to offering a timely, international spin on Nordic style.