TYR Men's Size Chart Born out of a collaboration between the industry's top experts and the world's most elite swimmers, the Avictor(R) Jammer is TYR's fastest, most innovative technical swimsuit. Showcasing an unprecedented combination of advanced features, this FINA-approved technical suit maximizes performance and gives athletes the ultimate advantage over their rivals. Hydrosphere Technology works in harmony with a swimmer's natural abilities in order to optimize body positioning in the water. Ground-breaking technology causes water to surround the fabric of the swimsuit, creating a visible hydrospheric effect. As a result of maximized positioning, drag is reduced and speed and efficiency are boosted. Designed with proprietary Speed Dry Fabrication, the Avictor(R) swimsuit rapidly repels water and minimizes dry time, providing compression even when saturated for extended periods of time. Rigorously tested to ensure athletes experience a lightweight, snug fit at all times, the Avictor(R) swimsuit performs throughout long meets and multiple swims, providing unmatched comfort and support. High-tech Super Flex Bonding allows fully bonded seams to conform to the swimmer's body and provide a durable, 360 degree stretch. The result is a precisely fitted, ultra compressive swimsuit that maximizes core stabilization and overall support while allowing 100% natural movement and mobility. Features: - Hydrosphere Technology: Advanced technology allows water to surround fabric, rather than saturate it. Optimizes body position in the water, reducing drag and maximizing speed - Speed Dry Fabrication: Proprietary coating repels water and keeps the suit dry and compressive, keeping swimmers lightweight and fast - Supersonic Flex Bonding: Advanced engineering allows fully bonded seams to conform and stretch with the swimmer's body, resulting in a precisely fitted, ultra compressive suit that won't restrict natural movement - Zoned Compression: Rigorously tested to ensure an equal balance between flexibility and tension for optimized drag reduction where swimmers need it most - Elite Core Stabilization: Targets all key muscle groups to optimize body position and core strength without causing an increase in exertion - TYR Fabrication: 70% Nylon / 30% Lycra Spandex Made in the USA.