The Men’s Runderwear™ Support Boxer is designed to give you maximum support with the highest level of comfort that you need from your boxer. Get support where you need it most with using Runderwear™'s seamless technology. The fabric is engineered to wick moisture from the skin, helping reduce any irritation. 360-degree seamless technology construction Moisture-wicking transport system Ergonomically designed, moving with your body enhanced core temperature control Runderwear™ fabric is lightweight, durable, with consistent fabric return Inside leg measurement is 12. 7 cm (5 in).