Buy on Amazon.co.uk : http://www.amazon.co.uk/gp/product/B001VVE97M?tag=animalisimo04-21

Montane Men Featherlite Windproof Pants - Black Large

Pertex microlight outer that is windproof fast drying and features a remarkable durable water repellent finish
French seams throughout for extra strength quality and weather resistance
Elasticated waist with lockable drawcord
14 length ykk reverse coil semi-auto side leg zips
Hook and loop calf tabs which reduce volume around calves minimising noise wind resistance and abrasion