- 100% Silk - Relaxed Fit - Full Length - Elasticated Waistband - Crystal Embellishment The Cosmic Zoology Straight Leg Pant is a handcrafted silk silhouette designed by our in house artisans. Reimagined in an exclusive limited edition print, our straight leg pants are full length and relaxed fitting. It's finished with an elasticated waistband and inseam pockets for effortless wear.