The Brooks Beast combines maximum support and long-lasting cushioning into an adaptable running shoe any self-respecting motion-control freak won't want to live without. Moisture-managing Element Mesh upper with synthetic overlay materials. Moisture-managing Element linings, internal support saddle. Rearfoot HydroFlow ST-XL. Forefoot HydroFlow. Full-length MoGo, e-2 rearfoot and forefoot polymer. Extended Progressive Diagonal Rollbar (PDRB). DRB Accel. Full-length S-257 cushsole. HPR Plus. HPR Green. Engineered MC pod construction. Ultimate sockliner. Wt. 14.0 oz.