RedLion Breast Cancer Awareness - I Care Compression Arm Sleeves-1 pair pack 93% Nylon/7% Spandex Made in USA Ergonomic Tapered Fit - Stabilized Arm Support - Made in USA Improved muscle efficiency & added warmth - Seamless circular knit Power Compression Fabric for anti-fatigue Wrist & elbow support - Graduated Compression to aid in recovery and help prevent injury Small/Medium- 11-1/2" to 12-1/2" length - Medium/Large - 15" - 16" length