• Lightweight and flexible polyester and nylon mesh uppers are abrasion resistant and breathable, and dry quickly; overlays provide structure and support
• Polyester and nylon air-mesh linings provide great moisture management to keep feet comfortable on the run; internal support saddle helps wrap and hold feet in place
• Insole boards use a foam polymer alloy formulated to resist compression and rebound more quickly than standard EVA, offering lasting, efficient cushioning and flexibility
• Midsoles feature BioMoGo polymer alloy foam, which provides cushioning, energy return and reduced foot fatigue; nontoxic additive helps midsoles break down in landfills
• Cushioning pods use high viscosity liquid to react instantly to each step, dispersing impact and customizing the cushioning for different runners and running styles
• Extended PDRB™ (Progressive Diagonal Roll Bar) triple-density medial posts work to control excessive pronation and balance transitions from midfoot to toe-off
• Midfoot thermoplastic urethane arch shanks control torsional flex at midfoot for control and support
• Forefoot MC-Pod configuration balances midsole and outsole components to set feet in an efficient, balanced position, maximizing motion control and flexibility
• Flex grooves enhance midsole flexibility for an effortless, efficient ride that maintains cushioning; midsole density has been tuned to optimize cushioning per gender
• Outsoles on the Brooks Beast 12 shoes are constructed out of a mix of rubber compounds to maximize longevity; compound also offers excellent traction in wet and dry conditions
• Outsoles also feature a special decoupled crash pad design that smooths out the landing zone throughout the heel strike

Imported.