These are the Sensi Sandals' Regatta Ice - Bubbles Slide Sandals. They are waterproof and very comfortable, sturdy, and easy to walk in with no slipping. They are perfect for showers, dorms, pools, beaches, and spa environments. They are in good condition, with only some slight signs of wear, but they are still in great shape. The size is 10 (42-43 EUR) It's a recovery, slide, shower/spa sandal for men and women. Not only does this style have Sensi's patented drainage system for water/sand/soap, which circulates air underfoot, keeping the feet cool and dry. The contoured footbed also has massaging and recovery bubbles, which help to increase blood circulation. The Regatta Ice has arch support and a flexible strap on a slip-resistant sole.