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SOLE FOOTWEAR SB-P
TECHNOLOGY WELTED INJECTED CEMENTED
1 5
OUTSOLE WELT / STITCHING
Bonded to the midsole, the A strip of material that
outsole provides grip and joins the upper to the sole.
stability during walking and A strong thread attaching
protects against wear and the welt to the midsole.
tear.
Can be moulded in a variety 8
of materials. 6 8 8
INSOLE
2 An internal component 7 7 7
that the upper and welt 3 3
MIDSOLE are stitched to, forming 6
A layer of moulded light the upper part of the shoe 2
weight material which before the sole is attached.
provides shock absorption 5 2
at heel strike and 7
propulsion at launch during
the walking cycle. INSOCK 4
A layer of cushioning 3 1 1
material that sits inside the
3
shoe, to provide underfoot
ANTI-PENETRATION comfort. Sometimes 2
INSERT removable.
A metal or composite insert
which prevents puncture 8
from sharp objects through 1
the bottom of the footwear. TOE-CAP WHAT IS PU? WHAT IS EVA?
A metal or composite
material, this protects the Polyurethane is a combination of Polyols & Isocyanates. Ethylene-Vinyl Acetate is an elastic co-polymer very
4 wearers toes as well as When mixed together during the moulding process, similar to rubber used in many industrial applications.
FOAM FILLER helping to maintain the a chemical reaction occurs and the Isocyanates EVA is formed by expanding plastic and trapping
Fills the cavity created structure of the footwear. cause the Polyols to expand and fill the sole mould. pockets of air in various densities. It resists cracking
by the welt and provides The rate of expansion can be controlled. The more and hardening and offers good cushioning and rebound
additional underfoot Isocyanate added, the quicker the expansion occurs, qualities. EVA is also UV resistant and stays flexible at
comfort. increasing the amount of air in the material. This low temperatures, making it ideal for outdoor footwear.
can make the soles softer and more flexible, but It is considered environmentally friendly as
also weaker. It is therefore important that the chlorine is not used in its production. EVA is
correct density of compound is used and a good also easily recycled into everyday products.
balance between hardness and strength is achieved.
Dickies 2019/2020 Workwear Dickies 2019/2020 Workwear