Designed to lock in the warmth and seal out the cold in challenging winter conditions, these advanced first layer pants feature state-of-the-art seamless body-mapping construction and equally progressive style. ODLO's exclusive Blackcomb warm fabric is loaded with stretch for perfect support and unlimited freedom of movement, while high recycled PES content adds a little eco feel-good to the awesome overall comfort factor. Meanwhile, ultra-tech seamless construction ensures your body gets extra warmth, stretch and moisture management exactly where it needs it, with zero discomfort due to seam chafing – perfect for long distance running and extended crossfit sessions.