ThirtyTwo TM-3XD Greenier Boots. Flex: Stiff. - 1:1 Lasting - True half sizes. - Michelin Fiberlite Outsole - Lightweight traction. - Evolution Foam Cushioning. - Cushion Cup - Heel hold. - 3D Molded Tongue - Even flex. - Elite Internal Harness - Reinforced harness. - Tongue Tension+ - Heel lock down. - Tailored Lacing - Hybrid instep lock down. - Articulated Cuff - Eliminates sheel distortion. - Molded Toe Cap - Rugged toe reinforcement. - Performance Backstay - Enhanced spine support. - Overmold - Fused overlay. - EXO Armor. - Storm Shield - All weather seal. - Heel Hold System. - Recoil Flex Control - Customizable boot flex inserts. - Elite Fit and Elite Footbed.