Wave springs plus high-resiliency foam underneath, finished with a multipocket quilted top layer — firm support that still gives a bit of sink without collapsing under regular use.

• Seat build: Wave springs, high-resiliency foam, multipocket quilted top
• Layout: 3-seat straight sofa
• Frame: Beech and softwood
• Legs: Matte black metal
• Upholstery: Wide fabric range, incl. stain-resistant and pet/allergy-friendly
• System: Modular — expandable with other Misty pieces