modus vivendi eco bamboo boxer jacquard trunk regular fit black 13422 48MODUS VIVENDI has chosen the most comfortable styles and crafted them from the finest fabric available: Modus Vivendi Bamboo Line has just arrived. Made from eco friendly and biodegradable yarns, this fabric offers an unparalleled level of thinness, stretch, and smoothness. Beyond their luxuriously soft texture, our Bamboo designs are highly breathable and exceptionally effective at moisture absorption, thanks to their superior ventilation properties.