The Hanoi boxer briefs are made of silky and lightweight polyamide and elastane. Its print is bright and shows a beautiful play of contrasts between leaves of exotic plants in blue, navy blue and red on a black, grey and turquoise camouflage background. The material gives these boxer briefs a high degree of flexibility and fluidity. The material dries very quickly and does not retain perspiration. Despite repeated rubbing, they do not wear out quickly and do not crease. The material is stretchy and ensures a comfortable feel and a perfect fit. They are cut to cover the upper part of the thigh. The shape also has the advantage of reducing friction between the thighs during movement. It also prevents the fabric from riding up. The black microfiber waistband is elastic and does not press against the skin. These boxer briefs have been awarded the Oeko-tex label. This certification guarantees that the fabrics, yarns and base colors used for these boxer briefs are non-toxic.