Biz Corporate Mens Siena Slim Fit Flat Front Pant Stout (70716S) @pgspndxlvr on Tumblr. Sizes 107S 127S (AUS NZ) Fabric 79% Polyester 17% Viscose 4% Elastane A lightweight easy care fabric that is soft, and durable. Contains stretch for comfort and Viscose for breathability. Suitable for both functional and corporate roles. Features Tailored from soft polyester viscose fabric, in a refined slim leg shape with pressed creases for a polished look. Cares Trouser Warm gentle machine wash. Wash with similar colours. Do not bleach, soak or tumble dry. Line dry in shade. Warm iron. Do not iron over 150C. Do not dry clean.