2UNDR Swing Shift Trunk The Swing Shift caresses the skin with the finest beechwood fibre in our signature Modal fabric. Pure heavenly softness. Perfection in your pants. Features of the 2UNDR Swing Shift Trunk Patented Joey Pouch® for support and comfort No-Drip-Tip™ with hydrophobic membrane for a dry environment Premium 35mm roll-resistant waistband Tagless, mid-rise, 3 Inch Trunk Inseam Signature quick access front fly Smooth, chafe-free, flatlock seam construction Fabric resists shrinkage and rejects hard water deposits to stay soft and resist fading Made from: 95% Lenzing Modal, 5% Elastane