Men's Techknit RNR-1 Trainer Size (US):M(6.5) / W(8) the unique shape of the

the unique shape of the stability side rails provide maximum durability and increased hydrodynamics

Stay a stroke ahead of the competition in the TYR Men's Briefs - Durafast Elite®

and extreme comfort with cutting-edge features to elevate every movement

wide peripheral range and speed adjust technology for easy on and off wear

the USSTMC3A is as comfortable as it is lightweight

Men's Techknit RNR-1 Trainer Size (US):M(6.5) / W(8) the unique shape of theAll day comfort and versatility. The Techknit RNR 1 Trainer features SurgeNRG+ enhanced with supercritical foam for ultimate all day comfort and durable support for any movement. The Techknit 3D knit upper construction is also a key feature of this shoe, as it provides the perfect amount of breathability to keep you moving comfortably.