Fleece is a synthetic fabric that is warm, stretchy, quick drying and made from Polyethylene terephthalate (PET) or other synthetic fibres.  First made at the Malden Mills in 1979 as 'Polar Fleece'.  Outside Gear Article: Fleece

Eastman's Tritan copolyester is a BPA free material that’s tough enough to take on the dishwasher. Not only is Tritan manufactured without bisphenol-A (BPA), it also incredibly strong and has heat-resistance qualities that ensure sports bottles and kitchenware can be manufactured in brilliant colors safe in the knowledge that repeated trips th [..]

Berghaus own high performance shell fabric that gives durable waterproofing during recreational outdoor use. Available in different face fabrics, two Ripstop nylons for added tear and abrasion resistance and Polyester for a comfortable drape and handle.

AQ2 is a Berghaus breathable waterproof fabric that offers a moisture vapour transmission rate (MVTR) of 8,000g/m2/24hrs, meaning that moisture vapour can easily escape through the fabric enhancing overall enjoyment of the outdoors. AQ2 provides a hydrostatic head of 10,000mm H20 column.

Aid Climbing involves climbing by inserting climbing hardware into weaknesses in the rock and pulling on them.  The hardware can be standard climbing gear that can be removed by hand or that needs to be hammered in and hammered to be removed.  It is different to 'free' climbing where you use your body to ascend the rock and hardware is us [..]

ABS (acrylonitrile butadiene styrene) is a common thermoplastic which is easy to injection mould and has some very useful properties. It is very light, durable and has high impact resistance which have meant that ABS is used for everything from musical instruments, to motorcycle panels to Lego bricks.

Aerogels are the world's lightest solid materials, and can almost eliminate heat transfer by conduction and convection. They are made by replacing the liquid component of a gel with a gas. Incredibly warm and light, these remarkable materials are now being used to insulate the warmest mountaineering boots.

Capilene is the clothing company Patagonia's name for its polyester material with a hydrophilic surface finish. Capilene's core remains hydrophobic (water repellent). It is used in thermal underwear and in stretch versions where it has been blended with Lycra. It has since then been added into most of their product line. Compared to cotto [..]

Citriodiol is nature’s most effective insect repellent. It is derived from Eucalyptus citriodora oil by a process which mimics what happens in the tree with age. It repels the vast majority of biting insects and scientific testing has been performed on midges, mosquitoes, sandflies, ticks, stable flies, blackflies, deer keds and land leeches.

DWR stands for 'Durable Water Repellent'.  This is a coating added to a fabric in the factory to make it water resistant.  It helps stop jackets 'wetting out' and is used on garments which have breathable membranes and those which do not.  In garments with breathable membranes 'wetting out' seriously reduced the breath [..]