Waterproof and breathable membrane to keep feet dry.
4 mm lugged rubber sole for good traction in snow.
Lacing system offers numerous adjustment possibilities.
1.1 lbs. in size 9.
ΣΥΝΘΕΣΗ / ΣΥΜΒΟΥΛΕΣ
Footwear waterproofing test.
These boots, which are laboratory and field tested, provide optimum waterproofing and breathability. The boots are initially immersed in water with pressurized air inside to check for bubbles on the surface of the boot. Next, shoes are fitted to a mechanical arm that simulates walking, half immersed in water so we can test that the inside remains perfectly dry.
3 levels of waterproofing.
During the waterproofing tests, we test 3 levels of waterproofing, with 2000 flexes (approx. equivalent to a 2.8 mi walk), 4000 flexes (approx. equivalent to an 4.2 mi walk) and 8000 flexes (approx. equivalent to a 9.2 mi walk). Of course, after this test or in use, the shoe regains its original waterproofing once dry.
The 300 Warm are waterproof up to 4,000 flexes.
All our boots are subjected to comfort and use tests, carried out by target audience users, in typical conditions of use. In our field tests the product manager works with people outside QUECHUA to test, improve, and approve our products.
Measurement of the boots' thermal insulation.
It was not previously possible to give a precise idea of the temperature at which your shoes would still insulate your feet from the cold. Now it can be done: the temperature limits for use are shown on your Quechua boots. We conduct field and laboratory tests on people's sensitivity to the cold with a panel of customers to measure the thermal insulation of our boots at rest and when walking. We take into consideration the differences between men and women.
Laboratory tests were conducted to test the following elements: attachment of eyelets and straps, fixtures, toxicology, UV resistance, sole and upper component abrasion, advanced aging.