The 228 combines a low-profile fit with performance features like laser venting for enhanced breathability, an adjustable Interlock closure with R-Flex for a secure and comfortable fit, and Stay-Dri moisture management to keep you dry. KEY FEATURES & BENEFITS: Stay-Dri sweatband wicks away moisture, keeping you dry. Laser-vented performance polyester offers lightweight comfort and a flawless fit. Interlock closure is a Richardson performance innovation that delivers a more durable closure experience compared to traditional hook-and-loop.