Core support, muscle compression and cover are combined with the Mid-Rise Compression Tights by 2XU. Designed for a flattering and secure fit, these pants feature graduated compression to reduce muscle fatigue, damage and risk of injury. It also has a comfort waistband in the middle to support the torso during the most intensive training sessions. PWX CompressionThe proprietary PWX compression fabric from 2XU was designed for sports with medical technology. Developed at the level of the yarn, a compression fabric that is very powerful but also light and flexible. This is a contrast that no other brand has achieved. 2XU's proprietary knitting process uses high tenacity, high filament nylon yarns and the highest performance spandex yarns to ensure their compression fabric maintains consistent strength, shape and comfort. PWX 70D 2XU's most flexible and breathable compression fabric. Lightweight yet offering strong compression and multidirectional stretching. The combination of nylon and Invista Lycra yarns mean greater durability. Moisture absorbing, antibacterial and UPF 50+ sun protection.