The Wing Sleeves are designed to protect wingfoilers' knees from abrasion. These sleeves are particularly beneficial for beginners who frequently mount the board and place additional stress on their knees. Lightweight yet durable, they safeguard both your knees and wetsuit from wear caused by the board's surface. Drawing on over a decade of experience in mountain bike sleeve protection, ION has crafted these sleeves to offer superior performance. Available in four sizes.