JUMPER Premium Threads Fitted Crew Neck Undershirt SM Weekender Crew Not your average undershirt! 95% Premium Modal Fabric and 5% Lycra Blend Our tailored cut, longer trunk, and stretchy form fitting Lycra Blend keeps the shirt tucked all day Super soft Premium Modal fabric blended at the perfect weight keeps you cool and fresh. Say goodbye toUNDERFRUMP!!