The Hyperfly CyberFly shorts are made of premium lightweight four-way stretch fabric. The lightweight outer shell allows unrestricted movement. An adjustable drawstring combined with a flexible, elastic waistband provides a secure fit that stays in place. Made of 98% polyester and 2% elestane. Material weight is 120 gsm. Sublimation printing technology is used to ensure that the print won’t crack or come off. Composition: 98% polyester and 2% elestane. Material weight: 120 gsm. Print technology: Sublimation. Please read size guide and washing instructions below. If you have any questions, please contact customer service . Also read the Rebelz Ultimate No-Gi Guide for advice and tips.