Make your cycling performance effortless. Ultra-lightweight. The X-SOCKS® Bike Hero UL excels in cycling with ease and features evolutionarily improved functions. These high-tech functional socks belong to the X-BIONIC® 4.0 generation. They perfectly support you on summer rides with many proven effective technologies, which is why they are patented. Special compound yarns and the patented ventilation system keep your feet dry and well-ventilated. Thanks to the revised Air-Conditioning Channel® 4.0, the X-SOCKS climate regulation works even more effectively now. The optimally shaped Lambertz-Nicholson Achilles tendon protector 4.0 enhances the protection of the sensitive Achilles tendon, while the evolutionarily developed Ankle Pads 4.0 cushion the ankle more effectively, and the Duckbill Shaped Footguard protects the top of the foot from pressure. The LowCut X-Cross Bandage stabilizes the ankle and provides cushioning during falls.