Bonds - The Guyfront Trunks are the world's comfiest undies, with their comfy cotton stretch, soft elastic waistband, functional fly and no sideseams. Our best selling men's trunks are now made with BONDS Cool moisture wicking properties to keep you dry and cool for longer. - Made from Aussie cotton plus elastane - Recycled polyester yarn waistband - Bonds Cool wicks moisture to keep you cool and dry - Signature fly front opening - Side seamfree