Kit Elasticated Waist Tencel Trouser 25" Leg No2moro Allison Trouser Marine Layer Mens Cotton Tencel Belted Trouser in Black Venroy Black Dorit Tencel Trouser WHISTLES Whistles UK. Meet our best selling Unity trousers. If you prioritize comfort, youll like these trousers. What makes this straight leg trouser so popular is the soft, stretchy, breathable cotton Tencel fabric. These 3 4 trousers hold their shape well and they are the most comfortable trousers youll ever wear. They have five pocket styling, zip front, belt loops, and silver button closure. If you like Unity Tencel Trouser, we have the exact same cut in denim: Juliet 3 4 Denim Jean.