Axiom Neutron Envy Putter AXIOM ENVY - The Envy has a smooth modern feel that fits in the hand perfectly, lending confidence for both putt and approach duties STABLE-OVERSTABLE PUTTER - The Envy exhibits reliable high-speed stability and a minimal fade. 10 MM CLASS - The Envy's defining flight characteristic is its ability to hold a straight flight for power throwers, but also be a dependably stable approach disc for lower power throwers NEUTRON PLASTIC - Axioms most premium material for exceptional look and feel. Shares great durability characteristics of Proton with a wider selection of bright opaque colors. PDGA APPROVED - For all professional disc golf play