- LIMITED - Funxtion X is very soft and brushed, making the fabric less suitable for burpees and sit ups on rough surfaces. New Shorts in the collection! Motion Short is high, elastic and fits fantastic! The shorts are seamless, so there are seams at the front and a high V shape at the back. Feel free and move freely in these new Motion Shorts. High waist Lots of stretch 75% nylon / 25% spandex Squat proof - not translucent Fits true to size Washing instructions Wash at 30 degrees Not in the dryer Do not bleach Do not iron