Product Story: The Hybrid Rocket Runner Is Designed To Help Propel You Even Faster On Your Daily Run. This Unique Shoe Features A State-Of-The-Art Puma Hybrid Midsole With Two Types Of Innovative Foam: Nrgy Beads For Instant Cushion And Comfort And Ignite Foam For The Ultimate In Energy Return. With A Sleek Design And A Functional Fit, These Lightweight Shoes Are The Perfect Streetwear-Ready Shoes For Any Athlete.Features + Benefits Hybrid: Puma�S Combination Of Its Two Best Technologies Ignite Foam And Nrgy Beads Nrgy: Puma�S Foam Midsole Offers Superior Cushioning From Heel To Toe So You Can Power Through Your Run Ignite: Puma'S Foam Midsole And Branded Heel Cage Supports And Stabilizes By Locking The Heel Onto The Platformdetails Weight: 348G/ 12.3Oz Fully Knitted Upper For Sock-Like Feel Dynamic Lacing System Extends To Midsole For Secure Fit And Feel Hybrid Midsole For Cushioning And Energy Return Firm Eva Midfoot Stabilizer And Midfoot Shank Add Support And Even Weight Distribution Rubber Outsole Provides Traction And Grip From Heel To Toe Tpu Heel Piece Provides Additional Support Pull Tab At Tongue And Heel For Easy On/Off Puma Logo At Tongue Puma Cat Logo At Heel