Adults

Pursue a winning trajectory with an aero road helmet that actually ventilates well. The Ballista MIPS road helmet now features Multi-directional Impact Protection System (MIPS) technology. Developed by brain surgeons and scientists, MIPS helps reduce rotational forces on the brain caused by angled impacts to the head. Key Features - Equipped with MIPS Brain Protection System - Front Center Channel's distinct vent shape draws in significantly more air - Headmaster II fit system allows easy one-handed height and circumference adjustments - In-mold composite skeleton increases helmet integrity and larger vent variation - Internal, recessed channels manage airflow through the helmet and over the head - AgION antimicrobial pads wick moisture and completely eliminate odors naturally - Design allows for compatibility and easy installation of Bontrager NeoVisor

Bontrager XXX WaveCel delivers high-performance protection and the best in aerodynamics and comfort. XXX is the WaveCel helmet of choice for the Trek-Segafredo men's and women's teams. WaveCel is a collapsible cellular structure that lines the inside of the helmet. This Bontrager-exclusive technology disrupts the safety standards the industry has accepted for over 30 years. - WaveCel advanced helmet technology - The Boa System lets you easily secure and adjust helmet fit with just one hand - Easy-to-use adjustable strap dividers allow for a fine tune fit - An aerodynamic shape helps you outsmart the wind and ride faster - AgION antimicrobial pads wick away moisture and eliminate odors naturally - Additional NoSweat pad with silicone channel keeps sweat out of eyes for constant clarity - Team Trek-Segafredo sticker kit included with Viper Red, White, and Visibility Yellow colorways - Crash Replacement Guarantee provides a free helmet replacement if involved in a crash within the first year of ownership Sizing: - Small: 51-57cm - Medium: 54-60cm - Large: 58-63cm