Specialty Fabrics Review July 2020 - 31

performance tradespace (a combination of the words
"trade-off" and "playspace") may exist. This framework
reveals which tradeoffs in performance are acceptable and
which are not acceptable, and also helps ensure that business
considerations and life-cycle considerations are taken into
account within the development process.

REVIEW: How do you weigh the trade-offs
between safety, comfort and wearability?
MATHEWS: There are two parts of this process that
help with balancing those critical elements.
1. Define and prioritize requirements. This provides
a basis for decision-making during development and gives
everyone involved the same language to talk about and
understand tradespace for the system.
2. Understand and define tradespace. Being able to
use a data-driven process throughout the process helps to
define the tradespace and helps to explain the impacts of
trade-offs, which is often ambiguous during development.
Using some form of systematic decision-making method
will help to provide added information to the decisionmaking process. A key part of understanding tradespace
includes knowing and understanding a user's needs-
spoken and unspoken-as well as their daily expectations
for their PPE. This helps to identify the practical "in-use"
wearability/safety/comfort elements that are acceptable
to make tradeoffs from a user's perspective.

LEFT: A fit and function assessment at the Textile
Protection and Comfort Center (TPACC) at North Carolina
State University, Wilson College of Textiles, tests PPE worn
by an end user. Photo: Bryan Ormond.
RIGHT: Equipment at TPACC allows scientific evaluation
of comfort and protection from fabric swatch level all the
way to full ensemble systems. Here, a protective suit with
a self-contained breathing apparatus (SCBA) is tested on
a sweating manikin. Photo: Kevin Ross.

WANT MORE? WE HAVE IT!

Search PPE at
www.SpecialtyFabricsReview.com

Sigrid Tornquist is a Minneapolis-based writer and editor,
and a frequent contributor to Specialty Fabrics Review.

www.SpecialtyFabricsReview.com 31

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Specialty Fabrics Review July 2020

Table of Contents for the Digital Edition of Specialty Fabrics Review July 2020

Specialty Fabrics Review July 2020 - Cover1
Specialty Fabrics Review July 2020 - Cover2
Specialty Fabrics Review July 2020 - 1
Specialty Fabrics Review July 2020 - 2
Specialty Fabrics Review July 2020 - 3
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Specialty Fabrics Review July 2020 - Cover3
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