Jess Cartner-Morley offers a New Year primer for 2026, suggesting key wardrobe pieces to nudge mind, body and soul into a fresh-start mode, from button-through sleeveless knits to quarter-zip jumpers and French-style hairpins. She highlights a button-through sleeveless knit (Albaray chunky rib waistcoat, from £85) as an antidote to “sofa