Clarks Tri Verve Boss Mens Navy TrainersPerfect for warmer days and a great alternative when you dont want to wear sandals, these shoes are lightweight and comfortable. Try them on and feel the difference. Trigenic System: Ultralight, gait reactive flex and engineered deconstruction, a foot shaped fit and responsive cushioning. Premium footbed with a leather sock that moulds to the foot with wear for personalised comfort. Unlined suede and nubuck upper for superior barefoot comfort.