Powered by SenseKnit™ technology, these technical running sleeves offer engineered support and lightweight breathability to keep you feeling light, vitalized, and ready to run. Seamless grippers help keep sleeves in place Upper arm pockets for storing gels Reflective details This garment was treated with No-Stink Zinc™ to inhibit the growth of odour-causing bacteria on the fabric Our SenseKnit™ technology seamlessly knits engineered support around the bicep and forearm while increasing breathability at the elbow Four-way stretch Sweat-wicking Quick-drying Materials Body:75% Nylon, 25% Elastane Gripper:63% Nylon, 37% Elastane Care  Machine Wash Cold  Do Not Bleach  Tumble Dry Low  Do Not Iron  Do Not Dry Clean Wash With Like Colors Contains biocidal zinc pyrithione (nano) Inhibits odour-causing bacteria