Zone 3 Unisex Neoprene 8MM Wetsuit Calf Sleeves | 2021 Designed for SwimRun racing these calf sleeves are the best accessories on the market for open water swims! These calf sleeves will provide you with the buoyancy lost when you use a short wetsuit. The 8mm thickness means they wont create drag or fatigue during your sessions and are light and easy to use! The sleeves are made premium high quality Yamamoto SCS Nano coating and will keep you warm during your sessions as well as stand the test of time with excellent durability. Features Buoyant Durable Light  Premium Yamamoto SCS coating  Made from 5mm Neoprene Support Fatigue Prevention Warm Reduced Drag