Trek Circuit Windshell Cycling Vest is a wind-blocking vest with an ultra-lightweight design for core protection during blustery rides. This packable vest is essential for crisp, windy conditions, offering windproof protection, a full-length two-way YKK zipper for easy access to jersey pockets from the bottom up, and an extended rear drop-tail with a silicone gripper to stay put against road spray. Its ultra-light design allows it to pack into itself while maintaining a streamlined fit with room to layer. Key Features:• Wind-blocking front panel with full mesh rear panel for ultimate breathability• Ultra-light design easily packs into itself• Two-way YKK zipper allows easy access to jersey pockets• Silicone gripper around waistband keeps jacket in place while riding• Fitted cut provides a streamlined fit with room to layer Ideal For: Road cyclists, wind protection, packable cycling gear, cool-weather rides, layered riding.