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  • Living
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    • Lounge Chairs
    • Sofas & Sectionals
      • Sofas
      • Sectionals
    • Side & Coffee Tables
      • Side Tables
      • Coffee Tables
    • Benches & Ottomans
    • Cabinets & Credenzas
    • Pillows & Decor
    Womb Chair with Ottoman

    Womb™ Chair with Ottoman

    Perron Pillo Sectional

    Perron Pillo Sectional

  • Dining
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    • Dining Tables
    • Dining Chairs
    • Counter & Barstools
    • Cabinets & Credenzas
    Cesca Armchair

    Cesca™ Armchair

    Saarinen Dining Table

    Saarinen Dining Table

    Bertoia Stool

    Bertoia Stool

  • Home Office
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    • Ergonomic & Work Chairs
    • Desks & Tables
    • Home Office Storage & Accessories
    Morrison Hannah Task Armchair

    Morrison Hannah Task Armchair

    Generation by Knoll

    Generation by Knoll®

  • Outdoor
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    • Outdoor Dining Chairs & Stools
    • Outdoor Dining Tables
    • Outdoor Sofas & Lounge Seating
    • Outdoor Side & Coffee Tables
    1966 Lounge Chair

    1966 Lounge Chair

    Risom Outdoor Lounge Chair

    Risom Outdoor Lounge Chair

    1966 Dining Table

    1966 Dining Table

  • Designers
    • Designers
      • Alexander Girard
      • Andrew Morrison
      • Antenna Design
      • Antonio Citterio
      • Barber and Osgerby
      • Bruce Hannah
      • Charles Pfister
      • Charles Pollock
      • Eero Saarinen
      • Florence Knoll
      • Formway Design
      • Franco Albini
      • Frank Gehry
      • George Nakashima
      • Glen Oliver Loew
      • Harry Bertoia
      • Ini Archibong
      • Isamu Noguchi
      • Jens Risom
      • Johnston Marklee
      • Jonathan Muecke
      • Jorge Pensi
      • Joseph D'Urso
      • Lucia Mercer
      • Ludwig Mies van der Rohe
      • Marc Krusin
      • Marc Newson
      • Marcel Breuer
      • Markus Jehs and Jürgen Laub
      • Maya Lin
      • Nick Cave
      • Piero Lissoni
      • Richard Schultz
      • Tobia Scarpa
      • Ufficio Tecnico
      • Warren Platner
      • Willo Perron
    Knoll Designers

    Florence Knoll

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Understanding Seat Comfort

Softness, Depth & Height

Choosing the right sofa, sectional, or lounge chair is deeply personal. Our guide is designed to help you understand seat softness, seat depth, and seat height — so you can find the product that best suits your body, habits, and comfort preferences.

Softness

Seat Softness

How We Measure
Seat softness describes how much give the seat has when you sit down or press into it.

  • Softer seats offer more sink-in comfort
  • Firmer seats provide more support and structure
  • Seat Softness does not refer to the texture or feel of the upholstery or fabric
Our Range

Our most firm products are a softness value 1 out of 5 and our softest seats are a softness value 5 out of 5. Our most common softness level is 3 or 4.

Seat Depth

Seat Depth

How We Measure
Seat depth is measured from the front of the seat cushion to where your back meets the backrest.

Our Range
Seat depth of our product ranges from 16 inches to 41 inches.
The most common seat depth is around 18–19 inches, offering a balanced feel suitable for everyday sitting.
Refer to the Dimensions section on each product’s individual product page for exact measurements.

Seat Height

Seat Height

How We Measure
Seat height is measured straight up from the floor to the highest point of the seat cushion when unoccupied.

Our Range
Seat height of our product ranges from 12 inches to 22 inches.
Most of our seating falls within a seat height of 15–16 inches, striking a balance between comfort and support.
Refer to the Dimensions section on each product’s individual product page for exact measurements.

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