Maybe you were looking for one of these abbreviations: OKX-OKY-OKZ-OL-OL MKT-OLA (OC) - OLAB-OLACEFS-OLAD-OLAF.
JanSport is an American brand of backpacks and collegiate apparel, now owned by VF Corporation, one of the world's largest apparel companies. JanSport is the world's largest backpack maker, and together, JanSport and The North Face, also owned by VF Corporation, sell nearly half of all small backpacks sold in the United States.
Mountaineering backpacks have evolved from canvas to nylon to PTFE. Goretex is a PTFE-based laminated fabric used for wet-weather gear because the 'holes' between the fibres are too small to allow water in, but coarse enough to allow water vapour out.