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Knoll SM1 Sofa

item#: KNL138

The Knoll SM1 Sofa is intended for residences and reception areas. It is a piece of furniture that invites you like a meandering cloud on a hot day and, with its smooth lines and soft, spacious cushioning, you will not want to get up. Knoll SM1 Sofas appeal to all aspects of a human being's sense of comfort.

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Leg Finish

The legs of the Knoll SM1 Sofa are available in your choice of Clear Oak, Ebonized or Polished Stainless Steel finish.

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Fabric Options

Grade 1


Mariner textiles offer a low-cost, robust fabric option available in your choice of bold colors. Weave structure gives it good depth and texture, suited for home or office seating.

Knoll Mariner fabrics


Presto is a mildly textured crepe polyester fabric option, with fresh, unobtrusive color options.

Knoll Presto fabrics

Grade 2

Bank Shot

A classic wool billiard cloth available in unassuming tones, Bank Shot gives your upholstery a timeless look and a cozy feel.

Knoll Bank Shot fabrics

Knoll Vinyl

Knoll Vinyl features a real vinyl face, with cotton and polyester backing. Choose from a selection of neutrals and bright primary colors.

Knoll Vinyl fabrics

Leather - Grade 1

Volo Leather

Finished cowhide, corrected grain and raised texture

Knoll Volo leathers

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Leather - Grade 3

Sabrina Leather

Smooth, tight and full grain cowhide with a breathable protective finish

Knoll Sabrina leathers

We have hundreds of other Knoll fabric options available! Click here to browse.

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Delivery Options

Large items like this one are shipped via freight truck directly from the manufacturer. Knoll offers free freight delivery to any commercial location with a loading dock that is accessible to a 53' trailer. If you do not have access to a loading dock, or if your items are being delivered to a residence, we are required to first ship the items to a local white glove delivery agent for assembly and inside delivery. If you are purchasing more than one item, we are able to offer discounted pricing on white glove assembly and delivery. Please call 1-800-531-3746 for details.

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The Knoll SM1 Sofa is a generously proportioned seating solution for the home, office, waiting or reception area. Its hardwood frame facilitates extreme comfort for one person or for group relaxation. Pick out your Knoll SM1 Sofa in the Knoll Textile option of your choice to ensure that it looks just how you imagined it would.

Features - Knoll SM1 Sofa

  • Characterized by quiet geometries and elegant simplicity
  • Hardwood frame with sinuous seat spring and elastic webbing back suspension
  • Arm, back and seat cushions fabricated in variable density foam
  • Available in wide range of Knoll Textile and Spinneybeck leather options

Knoll SM1 Sofa Specifications

Height 25 1/2'' H
Width 85 1/2'' W
Depth 32 1/4'' D
Seat height 15 1/2'' H

Disclaimer: We do not accept cancellations or order revisions for any Knoll items ordered. See Knoll's No Cancellations or Revisions Policy for details.

Professor Ergo's Thoughts:

The generous cushions of the Knoll SM1 Sofa sit like a dream. Allow yourself to visit a new frontier of relaxation.

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Customer Reviews

Knoll SM1 Sofa

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