Used - Like New - Worn Once 100% Polyester Imported Unique 3-layer construction has air pockets on the inside that trap warmth without losing breathability, so it keeps you cool when you're moving & warm when you're not 4-way stretch construction moves better in every direction Material wicks sweat & dries really fast Darting at shoulders & elbows for a more tailored fit Unique collar construction lays flat in the front for a clean, polished look