It is ½” shorter from heel to toe but deeper from front to rear than the ER1

underarms and upper back has a slightly open-knit texture that adds breathability for extra comfort

Pass-through strap loop under top pocket

Opti-Dri - Callaway Opti-Dri technology transfers moisture away from the body to aid in evaporation

All over ventilation keeps you cool

Stuburt Urban Performance Polo Shirt - Black Waterproof Golf Bags It is ½” shorter fromEngineered for performance, the Urban Performance Polo Shirt from Stuburt stands out on and off the course. The 4 way stretch fabric moves with your body, allowing your swing to flow freely and with ease. The moisture managing technology keeps you cool and comfortable all day, leaving you with only your game to focus on. With UV50 protection, you will be protected from the sun's harmful rays during long, sunny days. Complete with Raised Textured