tan are new with tags green are new without tags IDEAL COMPRESSION SUPPORT: Available exclusively at Wellow, the ideal 18-25 mmHg compression level provides perfect support to boost circulation, reduce swelling, and help prevent varicose veins?excellent for recovery, long flights, and extended periods of standing or sitting. Designed for a calf circumference of 11.5" and stretches up to 19" for a secure yet comfortable fit. MADE WITH VISCOSE FROM BAMBOO FOR ALL DAY COMFORT: Made from ultra-soft, breathable viscose derived from bamboo, these socks offer maximum comfort by keeping feet dry and fresh, even on the longest workdays or travels. Sock length ranges from 15" to 15.8", providing full coverage while maintaining a sleek and comfortable fit. ANTI-ODOR TECH FOR FRESH FEET: Advanced anti-odor technology keeps feet fresh and odor-free, making these socks the go-to choice for extended wear during work, travel, or active days. IRRITATION-FREE COMFORT: A seamless toe and heel prevent blisters and irritation, delivering smooth, irritation-free comfort for hours, no matter how demanding your day. STRETCHES TO FIT CALVES UP TO 19 INCHES: Designed for a secure yet comfortable fit, these unisex socks provide firm, supportive compression for those seeking a regular calf size. With a stretchable design, they accommodate calf sizes up to 19" without feeling too tight or restrictive.