The tactel nylon outer provides a cotton like feel, which doesn't rustle or crackle, but retains the durability and fast drying qualities of nylon. The tight construction of tactel together with a teflon surface finish helps water to bead up and run off the fabric face. the ripstop terra cotton is rigourous for craggy rocks and climbs and the design features more coverage of this fabric on the knees, ankles and seat that means you can perch on a rock for lunch without too much discomfort. the fabrics are protective against upf40 and the pants have mesh pockets to stash energy bars and money for a quick pint in a country pub. wind resistant, water repellent and quick drying cordura mini rip stop on knees, ankles and seat upf40 sun protection mesh lined thigh vents removable webbing belt 2 x zipped hand pockets and pull out security pocket 1 4 length lower leg side zips cotton feel tactel110g m² lightweight nylon tactel plain weave with 'cotton feel' breathable to 98% water repellent with a spray rating of grade 4 dense weave gives a wind resistance of 10ft³ min cordura mini rip160g m² high tenacity nylon cordura rip stop breathable to 98% excellent tear strength and abrasion resistance dense weave gives wind resistance of 9ft³ min water repellent