LIGHTWEIGHT COOL FOR YOUR RUN. The Nike Phenom Elite Pants feature lightweight knit fabric for your route. This version features a more refined fit than its predecessors, giving you a slim feel through the leg that tapers to the ankle. This product is made with at least 75% recycled polyester fabric. Stretchy, Supportive, Sustainable Nike Power fabric provides a range of stretch and support to help you power through whatever your sport workout demands. Cooling Where It Counts Designed with runner-informed heat mapping, the pants feature ventilation where you need it. Zoned mesh at the upper back, inner leg gusset and back of knee help keep the air flowing with every mile. Essential Storage A media pocket at the center back with a liner helps keep your essentials stored. Side pockets offer up extra space for your small items, with a drop-in pocket at the right side for a key or card. More Benefits Narrow, low-profile elastic waistband helps reduce heat. An internal/external drawcord personalizes the fit. Dri-FIT technology helps you stay dry and comfortable. Slimmer than previous version, the pants feature a tapered fit with mesh at the ankle gussets for personalized styling. Product Details Standard fit for a relaxed, easy feel Reflective details Body: 92% polyester/8% spandex. Mesh: 100% polyester. Machine wash Imported