This race-inspired design is known for its incredible fit and tremendous value. It has many similar features to the S-Works Prevail, like the Tri-Fix webbing system and 4th Dimension Cooling, granting the Propero III incredible performance at a more attainable price. Our new ANGi Crash Sensor gives you and your loved ones peace of mind like never before—when combined with our iOS or Android app, the sensor will detect a crash and send a text message to specified contacts in your phone. It also syncs with our app and STRAVA® to provide GPS-based activity tracking. Easy-adjust, HairPort FSL II fit system with four height positions and micro-adjustable dial. 4th Dimension Cooling System with Mega Mouthport for enhanced comfort. Composite matrix internal reinforcement allows larger vents for greater cooling. Soft 4X DryLite webbing material won’t stretch out with sweat or water. Tri-Fix web splitter for improved comfort and ease of strap adjustments. Reflective decals for increased visibility to motorists in low-light conditions. MIPS-equipped. Integrated ANGi crash sensor.