QUARTER LENGTH PERFORMANCE RUNNING SOCK – Ita?s all about balance, breathable mesh to regulate temperature, plus arch compression for keeping your feet stabilized. With additional length to keep you warm on a cooler day. All this in a sock, just high enough for a feeling of protection and performance. WE OFFER LIFETIME GUARANTEE – We stand by the quality of our all our running gear & take care of our customers.. This is not the kind of sock you replace after 10 washes! Every inch of this sock has been tested for maximum durability in extreme conditions like ultra-marathons & obstacle course races 100% RECYCLED MATERIALS – We produce our products from 100% recycled materials. By purchasing our products, you help to upcycle marine waste from our oceans. Our Partner Econyl collects old fishing nets and other Nylon waste from the Oceans, and produces a premium regenerated Nylon yarn, enabling us to create our high-end running socks. ANTI-BLISTER – Say goodbye to blisters and chafing. Our Flare socks are made with ventilation zones, that wicks away sweat. Enjoy a super breathable sock thats built to last mile after mile whether you are running, hiking or walking. Keep you feet bone dry and blister free no matter what you are doing. ANTI-ODOR & PERFORMANCE CUSHIONING – Our socks are treated with Polygiene Stay Fresh Technology and are odor-free! This means you can wear them more and wash them less. The socks comes with cushioning in the toes and heel areas. We have designed them with a compression arch & a tight elastic at the top of the cuff to prevent dirt & reducing the chances of irritation through dirt and grit. This sock was tested to excel for all running, walking and hiking activities.