Brooks Mens Adrenaline 21 Gray Running Shoes (no insoles 。Brooks Adrenaline GTS 21 Running Shoes - Mens. If you are looking for a pair of mens running shoes, then grab a pair that can go the distance. The Brooks Adrenaline GTS 21 Running Shoes are designed to protect your knees by keeping excess movement to a minimum. The breathable upper provides a secure fit, while the extended DNA LOFT ensures a smooth stride. Hit the road in confidence and style in these sleek running shoes. Features: • Engineered Air Mesh breathable upper • GuideRails support system • Extended DNA LOFT • Segmented crash pad • Stock # BR 110349 SPECS GenderMensHeel Drop12 mmRogan\'s Best Fit GuideStability 3.5Running StylesStability RunningUPC190340777677, 190340777691, 190340777714, 190340777738, Here\'s what one customer says: Love Adrenaline GTS. This is the 5th shoe I\'ve ordered. Really like this color, but the comfort was the reason I bought my 1st pair last year. Now we have men\'s and women\'s. Highly recommend!