Propero III

Sierra Bicycle Supply Verified independent store

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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 Dimensi on Cooling, granting the Propero III incredible performance at a more attainable price.For helmets sold in the U.S. and Canada: Complies with U.S. CPSC Safety Standard for Bicycle Helmets for Persons Age 5 and Older. MIPS-equipped. 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. Show more