The Session Studio Select features 6-ply (5.4mm) shells comprised of four outer plies of Masters-grade Birch, and two inner plies of African Mahogany with Outer 60° Bearing Edges. 🧊Ice Blue Oyster finish at the 2018 NAMM Show t.co/d7lldIU3RP #pearldrums #namm t.co/4MoPNElSFA