Flexible, form-fitting calf sleeves designed to contour your muscles & offer support without restricting your freedom of movement. Made from microfiber with sweat wicking capabilities & incredible stretch. LYCRA® XTRA LIFE™ fiber provides shape retention & resistance against chlorine, fiber abrasion & UV rays (UPF 50+). Mesh yoke at the back. Contrasting R-Sport logo print. One-size. Made in California. Size S/M: length 12 inches, calf opening 10.5 inches, leg opening 7 inches. Size M/L: length 12. 5 inches, calf opening 11.5 inches, leg opening 8 inches.