Is it possible to be fast and agile wearing insulated daily duty footwear and still not feel cold?
High insulation and lightness are not contradictory.
A new footwear laminate development within the GORE-TEX® Insulated Comfort footwear product class offers a previously unknown combination of efficient thermal insulation and even less weight – and does so without sacrificing the features you’ve grown to expect from
GORE-TEX® such as durable waterproofness and breathability. The outcome: 15% less weight as compared with conventional GORE-TEX® footwear laminates with identical insulation values (Rct> 150 (m2K/W). This enables our footwear partners to develop lighter high insulation
GORE-TEX® winter boots for military use.
Innovative insulation – extremely lightweight, highly insulating and durable
The new GORE-TEX® footwear laminate has the same 4-layer construction as conventional insulated GORE-TEX® footwear laminates. It consists of a highly abrasion resistant textile lining material, the GORE-TEX® membrane, an insulation layer and a protective knit. The secret lies in the new insulation technology. The insulation material is a billowed non-woven made with, comparatively few, lightweight, synthetic, hollow fibres. The trapped air ensures a high level of insulation while the open structure allows for a high water vapour transmission rate. The "memory effect" of the tangled-fibre structure also plays an important role: it has an ability to return from a compressed state to its original light and airy shape to provide weightless warmth. This translates into lightweight and durable cold weather protection and a more comfortable fit for the wearer. The new insulation is also about 15 % lighter.
The durably waterproof and breathable GORE-TEX® membrane ensures that the insulation, as part of the shoe laminate, is reliably protected against water penetration from the outside. At the same time, sweat can easily escape to the outside in the form of water vapour. The insulation stays dry and maintains its insulation efficiency.
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