Katin USA: Gusty Hybrid Trunk The Gusty Hybrid Trunk is a tri-blend stretch trunk featuring a lace-up waist, 18" outseam, snap fly and interior stash pocket. Our tri-blend stretch is made from 70% REPREVE recycled polyester, 20% cotton and 10% spandex. DETAILS: 70% REPREVE recycled polyester, 20% cotton and 10% Spandex Tri-blend stretch trunk 18" outseam Snap fly and interior stash pocket