Low-Back Shapewear With Removable Rear Support Bridge

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Solution Overview

Problem

Designing shapewear for special occasion garments with low cut necklines and back lines is challenging due to the need for effective shaping while minimizing material in the chest and back regions, and ensuring the shapewear is not visible beneath ultra low-back garments.

Innovation Solution

The shaping garment features a rear side space bridged by a removable back adjuster, left and right closure mechanisms, and elastic bands to provide additional support, with U-shaped wire and breast supporting portions for shaping and visibility concealment.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If the shaping garment uses significant material in the back region to provide shaping support, then the shaping effectiveness is improved, but the garment becomes visible beneath ultra low-back special occasion garments

Engineering Contradiction:
Improveshaping supportVSAvoidback coverage area
Core Design Contradiction:
ReliabilityVSArea of stationary object

Solution Approach 1:

The back shaping region is divided into left and right portions that can be separated or connected. The superior edge dips to a rear lowermost area and extends upward to partially separate the rear side into left and right back shaping regions, allowing the garment to provide shaping support while reducing overall back coverage area to remain invisible under ultra low-back garments.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

A removable back adjuster is introduced that can bridge the space between left and right back shaping regions. This dynamic element allows the garment to switch between connected and disconnected states, enabling the wearer to adjust back coverage based on the specific occasion garment being worn while maintaining shaping support when needed.

Inventive Principle:
Principle #15Dynamics

2Area of stationary object

If the shaping garment eliminates material from the back region to remain invisible, then visibility is reduced, but shaping support is compromised

Engineering Contradiction:
Improveback coverage areaVSAvoidshaping support
Core Design Contradiction:
Area of stationary objectVSReliability

Solution Approach 1:

A removable back adjuster serves as an intermediary element that can be attached between the left and right back shaping regions. This adjuster includes closure mechanisms (hook and eye fasteners) that allow it to bridge the space when additional shaping support is needed, while being removable when the occasion garment requires ultra low-back visibility.

Inventive Principle:
Principle #24Intermediary (Mediator)

3Adaptability or versatility

If the shaping garment includes a removable back adjuster for additional support, then shaping versatility is improved, but device complexity increases

Engineering Contradiction:
Improveshaping configuration optionsVSAvoidgarment structure
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The removable back adjuster serves multiple functions: it provides additional shaping support when connected, can be removed for ultra low-back visibility, and includes closure mechanisms that integrate with the existing left and right closure mechanisms of the garment. This multi-functional element increases versatility while keeping the added complexity manageable through standardized fastening systems.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

The solution effectively shapes the wearer without being visible under ultra low-back garments, offering versatility and comfort through adjustable configurations.

Implementation Method 1

An elastic band can be positioned inferior to the breast supporting portion, and the elastic band can extend laterally towards the rear side of the shaping garment

Methodology Applied
Scientific EffectElasticity: Elasticity

Implementation Method 2

The left closure mechanism and/or the right closure mechanism can include hook and/or eye fasteners

Methodology Applied
Scientific EffectMechanical Fastening: Mechanical Fastener

Data Source

PatentUS12599182B2Shaping garment with adjustable low back
Publication Date: 2026.04.14 SPANX LLC
  • US12599182B2 patent drawing
  • US12599182B2 patent drawing
  • US12599182B2 patent drawing

AI summary

Designing shapewear for special occasion garments with low cut necklines and back lines can be especially challenging. The challenge lies in constructing a garment that effectively shapes the wearer while simultaneously eliminating significant amounts of material from the chest and/or back region. Disclosed herein are shaping garments designed to be worn underneath garments with low cut back lines. The shaping garment includes a space in the back shaping region on its rear side, such that the shaping garment is not visible beneath an ultra low-back special occasion garment. A removable back adjuster can be used to bridge the space to provide additional shaping support when ultra low-back mode is not required by the special occasion garment.