MUTE SUSTAINABILITY < strong> BioMoGo DNA midsole cushioning midsole contains biodegradable Brooks DNA gel | STABILITY SUPPORT | Progressive Diagonal Roll Bar antipronatie block - the body brings back into its natural movement pattern | SHOCK ABSORPTION SUPPORT | Full-length segmented crash pad for smooth operation, heel-to-toe, the foot movement | SHOCK ABSORPTION CONTROL | V-groove deep groove that Over forces absorbs and disperses | FIT STABILITY | Conformable saddle w / adjustable eyelets midfoot reinforcement of upper with adjustable eyelets | The Brooks Adrenaline is similar to Asics GT 2000, the Saucony Omni. Note: This is a narrow (1B) version - for men with a narrow base . |