Hamish's original idea for Pertex was a high-density fabric, woven from multifilament synthetic yarns, with the goal of providing a wind-resistant, shell fabric capable of transporting moisture through capillary action. The first products to use Pertex fabrics were the pile-lined sleeping bags made by Buffalo Systems Ltd. in Sheffield.
Hamish's initial idea for Pertex was a high-density fabric made from multifilament synthetic yarns, intended to be windproof and breathable, allowing moisture to pass through via capillary action. The first items utilizing Pertex fabrics were pile-lined sleeping bags created by Buffalo Systems Ltd. in Sheffield.