Kohler 1957-RA-0 Underscore® 60" x Alternatives: 6 Similar Picks Compared

How each alternative compares

Swiss Madison Voltaire 60" Alcove Tub

The Swiss Madison Voltaire shares the 60-inch length and right-hand drain layout of the Kohler Underscore, making it a direct swap for standard alcove spaces. It differs in width, measuring 30 inches compared to the Kohler’s 32 inches, which may suit tighter bathrooms. At 22 inches high, it offers slightly more vertical clearance than the Kohler’s 21-inch profile. The integrated armrest provides a place to rest your arms, a feature the smooth, sloped backrest of the Kohler lacks. It is lighter at 68 pounds, simplifying handling during installation. Choose this if you prefer a built-in armrest and a narrower tub footprint.

Kohler Underscore 60" Alcove Tub

This Kohler Underscore model mirrors the original in capacity and material but changes the drain position and width. It features a left-hand drain instead of the right-hand configuration, which is essential if your plumbing is on the opposite wall. The width is 30 inches, two inches narrower than the 32-inch original, potentially affecting shoulder room. The height is 20.3 inches, slightly lower than the 21-inch original. It retains the 68-gallon water capacity and molded lumbar support for comfort. Select this version if your bathroom layout requires a left-side drain or if you prefer a slightly narrower soaking surface within the same brand ecosystem.

Kohler Entity 60x30 Right-Hand Drain

The Kohler Entity offers a significantly different soaking experience due to its shallow profile. At 15.8 inches high, it is much lower than the 21-inch original, which may be easier to step into but provides less water depth for soaking. It maintains the 60-inch length and right-hand drain position. The width is 30.3 inches, slightly narrower than the original’s 32 inches. While it shares the alcove type and acrylic construction, it lacks the deep soak capacity of the 68-gallon Underscore. This model is ideal if you prioritize easy access and a lower rim height over deep immersion bathing.

Kohler 60"x30" Alcove Bath with Integral Apron

This Kohler Underscore variant keeps the 68-gallon capacity and right-hand drain but reduces the width to 28 inches. This is four inches narrower than the original 32-inch model, which might feel cramped for larger users. The height is 19 inches, lower than the original’s 21-inch profile. It retains the integral apron and alcove mounting style. The narrower width makes it suitable for smaller alcoves where the standard 32-inch model does not fit. Choose this if you need the deep soak capacity and lumbar support of the Underscore line but are constrained by a narrower bathroom space.

Swiss Madison Concorde 60" x 30"

The Swiss Madison Concorde matches the 60-inch length but differs in width and weight. It measures 30 inches wide, two inches narrower than the original, and weighs 51 pounds, significantly lighter than the 128-pound Kohler. The height is 20.5 inches, slightly lower than the original. It is an alcove tub with an integrated flange, similar to the Kohler’s installation method. It lacks the specific ergonomic contours and 68-gallon capacity details listed for the Kohler. This option is best for standard renovations where you want a reliable, lightweight alcove tub with a familiar footprint but do not require the specific deep-soak features of the Underscore.

Kingston Brass 60x36 Acrylic Alcove Tub

The Kingston Brass tub offers a much wider bathing surface at 36 inches, four inches wider than the original’s 32 inches. This provides extra room for stretching out but reduces the water depth capacity relative to the tub’s volume. It shares the 60-inch length and right-hand drain position. The height is 21.6 inches, slightly taller than the original. It is an acrylic alcove tub, matching the material of the Kohler. However, it requires separate wall-mount fixtures, unlike the Kohler’s integrated design. Pick this if you prioritize a wider soak area and do not mind purchasing and installing your own faucet and drain hardware.

Quick picks

Our 7 picks

1 Best overall

Kohler Underscore 60x32 Alcove Tub

Best for: Deep soaking with ergonomic support

Type

alcove

Material

acrylic

Length

60 inches

Drain Location

right-hand

Water Capacity

68-gallon

Mount Type

alcove

View on Amazon: Kohler Underscore 60x32 Alcove Tub Affiliate link

The Kohler Underscore 60x32 is an acrylic alcove tub with a right-hand drain. It holds 68 gallons of water, offering deep soaking potential. The 21-inch height and sloped backrest provide lumbar support for comfort. This white model fits standard alcove spaces. It suits you if you want a modern, clean look with ergonomic design features for longer baths.

Pros

• 68-gallon water capacity for deep soaking
• Molded lumbar support and sloped backrest
• Durable acrylic construction that is easy to clean
• Integral apron for a finished look

Cons

• Right-hand drain limits placement options
• 21-inch height is standard, not extra deep
• No integrated jets or hydrotherapy features

Good fit if

• You need a right-drain alcove tub
• You value ergonomic back support
• You prefer a modern, sleek design

Skip if

• You require a left-hand drain
• You want a soaking tub over 21 inches high
• You need a jetted or whirlpool system

Verdict: Kohler Underscore 60x32 Alcove Tub delivers comfort through its sloped backrest and 68-gallon capacity. It fits you if you prioritize ergonomic design in a standard alcove footprint.

2 Also great

Swiss Madison Voltaire 60" Alcove Tub

Best for: Right-hand drain alcove installs

Type

Alcove bathtub

Material

Fiberglass reinforced acrylic

Length

60 inches

Drain Location

Right-hand

Soaking Depth

13 Inches

Color

White

View on Amazon: Swiss Madison Voltaire 60" Alcove Tub Affiliate link

This Swiss Madison Voltaire is a 60-inch right-hand drain alcove tub made from fiberglass-reinforced acrylic. It features a built-in apron for easier installation and an integrated armrest for support. The soaking depth is 13 inches, and the overall height is 22 inches. It suits those who want stable seating support in a standard alcove setup.

Pros

• Integrated armrest for stability
• Built-in apron streamlines installation
• Fiberglass-reinforced acrylic for durability
• 13-inch soaking depth

Cons

• Standard 13-inch soaking depth
• No overflow drain mentioned
• Heavier at 68 pounds

Good fit if

• You want built-in armrest support
• You need a right-hand drain
• You prefer a pre-installed apron

Skip if

• You need a deeper soak
• You want a left-hand drain
• You prefer a lighter tub

Verdict: Swiss Madison Voltaire 60" Tub with Armrest fits you if you value the stability of an integrated armrest and the ease of a built-in apron in a standard alcove space.

3 Also great

Kohler Underscore 60" Alcove Tub

Best for: Left-drain alcove installations with 30-inch width

Type

alcove

Material

Acrylic

Length

60 inches

Drain Location

left-hand

Water Capacity

68 gallons

Soaking Depth

19 inches

View on Amazon: Kohler Underscore 60" Alcove Tub Affiliate link

This Kohler alcove tub measures 60 by 30 inches with a left-hand drain. It holds 68 gallons of water and features a 19-inch soaking depth. The molded lumbar support adds comfort during use. You will appreciate the integral apron and flange for a clean look and easier installation. It is a practical choice for standard alcove spaces.

Pros

• 19-inch soaking depth for deep soaking
• 68-gallon water capacity
• Molded lumbar support for comfort
• Integral flange simplifies installation

Cons

• Left-hand drain limits placement options
• 128-pound weight requires sturdy support
• 19-inch step-over height is lower than standard

Good fit if

• You need a left-hand drain configuration
• You want a 30-inch wide alcove tub
• You prefer a lower step-over height

Skip if

• You require a right-hand drain
• You need a deeper soaking depth than 19 inches
• You prefer a wider 36-inch tub

Verdict: Kohler Underscore 60x30 Left Drain offers a comfortable soak with lumbar support and a 68-gallon capacity. It fits well in alcoves where a left drain is needed and a 30-inch width is preferred.

4 Also great

Kohler Entity 60x30 Right-Hand Drain

Best for: Standard alcove bathrooms needing easy access

Type

Alcove Bath

Length

60 inches

Drain Location

right hand drain

Soaking Depth

15.8 inches

Mount Type

three-wall alcove

Color

White

View on Amazon: Kohler Entity 60x30 Right-Hand Drain Affiliate link

The Kohler Entity is a 60-inch by 30-inch alcove bathtub designed for standard bathroom layouts. It features a right-hand drain and a soaking depth of 15.8 inches. The integral apron provides a clean, finished look, while the integral flange helps prevent water seepage during installation. A low stepover height and molded lumbar support add comfort and ease of use for daily bathing routines.

Pros

• 15.8-inch soaking depth for comfortable immersion
• Low stepover height allows easy entry and exit
• Molded lumbar support offers extra comfort
• Integral apron creates a clean, finished look

Cons

• Round overflow design limits modern aesthetic options
• 5.07-pound weight may feel less substantial than heavier models
• Right-hand drain restricts placement flexibility in some layouts

Good fit if

• You need a standard 60-inch alcove tub for a three-wall installation
• You prefer a low stepover height for easier access
• You want a white tub with an integral apron for a clean look

Skip if

• You require a left-hand drain configuration
• You need a soaking depth greater than 15.8 inches
• You prefer a square or rectangular overflow design

Verdict: Kohler Entity 60x30 Alcove Tub suits those seeking a reliable, comfortable bathing experience with easy access and a clean aesthetic. It is ideal for standard alcove installations where right-hand drainage is acceptable.

5 Best premium

Kohler 60"x30" Alcove Bath with Integral Apron

Best for: Standard alcove bathrooms needing right-hand drain

Type

alcove bath

Material

Acrylic

Length

60 inches

Drain Location

right-hand

Water Capacity

68.0 gallons

Soaking Depth

19-inch step-over height

View on Amazon: Kohler 60"x30" Alcove Bath with Integral Apron Affiliate link

This 60-inch alcove tub offers a 30-inch width and 68-gallon capacity. The 19-inch step-over height retains standard soaking depth for comfort. Molded lumbar support adds ergonomic relief during use. An integral apron and flange create a finished look while simplifying installation. The right-hand drain fits standard layouts. It suits those seeking a durable acrylic tub with practical design features.

Pros

• 68.0-gallon water capacity for deep soaking
• Molded lumbar support for added comfort
• Integral apron provides a clean, finished look
• Integral flange helps prevent water seepage

Cons

• 19-inch step-over height is lower than standard 21-inch baths
• Right-hand drain only limits placement options
• No adjustable jets or massage features listed

Good fit if

• You need a 60-inch alcove tub with a right-hand drain
• You value molded lumbar support for comfort
• You want an integral apron for easy installation

Skip if

• You require a left-hand drain configuration
• You prefer a soaking depth greater than 19 inches
• You want a jetted or whirlpool bathtub

Verdict: Kohler Underscore 60x30 Acrylic Alcove Tub provides a reliable, comfortable soaking experience with its 68-gallon capacity and lumbar support, making it ideal for standard alcove spaces requiring a right-hand drain.

6 Best budget

Swiss Madison Concorde 60" x 30"

Best for: Standard alcove renovations with separate fixtures

Type

Alcove

Material

Fiberglass reinforced acrylic

Length

30 inches

Drain Location

Right-Hand

Soaking Depth

11.22 Inches

Color

White

View on Amazon: Swiss Madison Concorde 60" x 30" Affiliate link

This Swiss Madison alcove tub offers a 60-inch length and 30-inch width for standard bathroom layouts. It features fiberglass-reinforced acrylic construction for durability and an integrated tile flange to prevent water leakage. The soaking depth is 11.22 inches. You need to purchase the faucet and drain separately. It is a practical option for those seeking a reliable, no-frills soaking experience.

Pros

• Fiberglass-reinforced acrylic material for durability
• Integrated tile flange prevents water leakage
• 11.22-inch soaking depth
• Right-hand drain configuration

Cons

• Faucet and drain sold separately
• 51-pound weight requires floor support
• Standard 20.5-inch height limits accessibility

Good fit if

• You need a standard 60 x 30 alcove tub
• You want fiberglass-reinforced acrylic durability
• You prefer an integrated tile flange

Skip if

• You require a built-in faucet and drain
• You need a deeper soaking capacity
• You prefer a larger 60 x 32 footprint

Verdict: Swiss Madison 60x30 Alcove Tub fits homeowners who need a durable, standard-sized alcove bath with integrated flange protection. It is best for basic renovations where fixtures are purchased separately.

7 Best acrylic

Kingston Brass 60x36 Acrylic Alcove Tub

Best for: Bathrooms needing extra width in a standard alcove

Type

Alcove Tub

Length

60 inches

Drain Location

Right-handed drain

Water Capacity

60.85 gallon

Soaking Depth

14-3/8" to overflow

Material

Acrylic

View on Amazon: Kingston Brass 60x36 Acrylic Alcove Tub Affiliate link

This Kingston Brass alcove tub measures 60 inches long and 36 inches wide. It holds 60.85 gallons of water with a soaking depth of 14-3/8 inches to the overflow. The acrylic shell is reinforced with fiberglass and resin. It features a right-handed drain and a glossy white finish. You get a wall-mount filler ready design. This size suits bathrooms needing extra width.

Pros

• 60-inch length fits standard alcove spaces
• 36-inch width offers more room than standard 30-inch tubs
• Acrylic construction with fiberglass and resin reinforcement
• Right-handed drain placement
• Glossy white finish on all exposed sides

Cons

• Standard soaking depth of 14-3/8 inches limits deep soaking
• Requires separate wall-mount tub filler installation
• Right-handed drain only

Good fit if

• You need a wider bathing area than a standard 30-inch tub provides
• You prefer acrylic material for its smooth surface
• You have a right-side plumbing setup

Skip if

• You want a deep soaking tub with a greater water depth
• You prefer a left-handed drain configuration
• You need an integrated faucet and drain package

Verdict: Kingston Brass 60x36 Acrylic Alcove Tub provides a wider bathing surface for standard alcove installations. It fits buyers who prioritize width over deep soaking capacity and are prepared to install their own wall-mount fixtures.

Specifications side by side

Frequently asked questions

See also

• evercool evercool 70mm x 10mm alternatives
• finlandia flb 60 sauna alternatives