"The Rab Escape Tights build a soft, mono-polymer polyester fabric designed with its end of life in mind, giving the leggings the potential to be recycled once worn out. A gusset panel insert opens up real leg lift for scrambling over rocks or reaching for a high foothold, so the tights move the way the trail or the crag actually demands. What Our Gearhead® Experts Are Saying:""I've worn these on all-day approaches where the waistband usually starts digging in by hour three, and the drawcord adjustment let me loosen it on the trail without breaking stride."""