TYR Sport Men's Category 5 Hurricane Sleeveless Wetsuit (Large) Should fit snug, but not too tight Free R.O.M. (range of motion) zones eliminate restriction in the shoulders & back 360 Core stabilization system Engineered for triathletes, Quick Release Ankle Cuffs allow for quick and effortless removal during T1 and strategic Speed Wrap Paneling placed throughout the leg, chest and core raise the swimmer in the water to reduce form drag.