The Lineup Layback 16" Trunks by Billabong keep it simple and functional with a quick-dry, easy-stretch fabric. They feature an elastic drawcord waist, internal compression liner, and multiple pockets for easy comfort from dock dives to beach runs. Men's swim trunks Relaxed layback fit 16" outseam Elastic waist with a drawcord 2 side and a back pocket Internal compression liner 92% partially recycled polyester, 8% spandex Model is wearing a size M