RaceX Classic Pants M is the original Swix synthetic baselayer; with a slim fit and has a high stretch for optimal freedom of movement. The soft elastic waistband gives good comfort. The pants are designed for high intensity training and is quick-drying, lightweight and breathable. It's made with 70% REPREVE® performance fiber made from recycled plastic bottles. The plastic bottles are collected within 50 km of coastlines in countries or areas that lack formal waste or recycling systems. Made for athletes, enjoyed by everyone.