This material helps prevent chafing

The will do the job nicely on most rims out there

but a bit more noise

durable and offer efficient pedalling

Norman MTB Men's Downhill Shorts - S-30 - Green Dangerous Goods This material helps prevent chafingThe Downhill Series Lightweight Shorts have been designed using only recycled materials. The recycled yarn is abrasion resistant and quick drying. The Recycled Neoprene has been used within the outer thigh panels as a thin layer of protection. Features 15cm extra strong, YKK zipper left mesh pocket Drawcord inside of pants for slight size adjustment 100% recycled neoprene padding, 2mil, used for protection in knee panels 50+ UV protection Water