This easy-to-use harness provides comfortable shoulder straps designed for a child and features ENDOFRAME Technology for additional support.. . . Nylon, polyester, EVA, polyurethane, steel. Wears like a vest. ENDOFRAME Technology provides support and comfort. DoubleBack buckles. Two complementary tie-in points. One size fits all. Chest: 56 cm. Neck: 26 cm. Weight: 150 g.