The Trek Shandals are a toe covered sandal. Made with soft neoprene lining, EVA cushioning, an adjustable heel strap and elastic draw string lace to ensure a close fit - they're great for outdoor summer holidays. Designed to be worn with socks – size down If you prefer to wear these without socks or if you prefer a tighter fit. EVA Midsole - A foam insert which provides extra cushioning and comfort High traction outsole - Adds extra grip, support and stability to the sole.