Wide E Fitting – Extra Room & Comfort: Designed specifically for those needing additional width, the Dr Keller Punchwork Trainer offers a generous E fitting. This extra space reduces the likelihood of rubbing or pinching, ensuring maximum comfort and support for daily wear. Enjoy a relaxed fit that caters to a range of foot shapes, making these trainers ideal for extended activities. Punchwork Detailing – Breathable & Stylish: Featuring a decorative punchwork design, these trainers stand out with a subtle, eye-catching pattern. The perforations allow air to circulate around your feet, helping to maintain a cool, comfortable environment.