Klim Aggressor Shirt 1.0 2026 Watersports Collection Please use the size chart

Please use the size chart in the image gallery above to accurately determine the appropriate size for your life jacket

Temperature resistant LED display

plus customizable features like a removable Pro-Series Breathbox to get you through a full season of extremes

Durable Outsole

The anchors provide superior holding power to ensure your boat will stay secure for an extended period of time

Klim Aggressor Shirt 1.0 2026 Watersports Collection Please use the size chartThis Aggressor base layer shirt for men combines technical fabric and superior construction for a shirt that's going to last and keep you temperature and moisture regulated, no matter the activity. Top Benefits Designed for high intensity output Moisture wicking breathable Anti microbial Features Aggressor 1. 0 (warm) Smooth next to skin finish maximizes moisture pickup and transmission Low profile for excellent minimum bulk layering Engineered