Knee Length Stretch Shorts by Roman UK. These supple stretch bengaline shorts are a certain Summer staple. The perfect combination of comfort and style, these elasticated waist pull-on shorts are perfect for your warm weather wardrobe. Essential for holidays, these shorts are crafted from a comfy stretch, bengaline fabric, perfect for city breaks and beach days alike. Team with a lightweight top and sandals for effortless Summer style. Womens Regular fit. True to size. Knee Length Shorts. Bengaline Fabric. 74% Viscose, 23% Polyamide, 3% Elastane. Bengaline Fabric.