The Brooks Racer ST4 competition shoes comes with enough substance to conquer the marathon and the run leg of long triathlon, also light for 5K. This lightweight racing flat will help you shave seconds or even minutes off your time while the DRB provides the support you need to break the tape feeling strong.

MIDSOLE

• Rearfoot HydroFlow St; HydroFlow Dynamic viscous fluid units for heel and forefoot enhance midsole cushioning attnuating shock with industry leading dampening and comfort.
• Diagonal Rolbar (DRB)
• Full length S-257

OUTSOLE

• HRP Plus a higher durability, abrasion resistant rubber outsole compound that wears longer.
• Diagonal Rollbar (DBR) is a high density post at the medila arch is designed for pronation control and creates a smoother transition from the midstance phase into the propulsion pahase.
• DRB Accel enhances tunable torsion of the midfoot. Shank like thermoplastic devices vary from single units of a set modulus, to dual unit versions of varied modulus.
• S-257 Durable energy efficient midsole compount utilized as an insole board for even more cushioning and flexibility.

UPPER

• Air Mesh
• Microfiber overlay materials
• Synthetic overlay materilas

SIZES

• Unisex 5 to 13, 14

WIDTH

• Unisex D

WEIGHT

• Unisex 8.6 oz