Everyday sneaker that naturally hugs the shape of your foot The Primal Zen is a minimalist, ultra-lightweight shoe designed to fit the contours of your foot perfectly. Made from all-vegan materials, it’s equipped with extra cushioning, a cooling cork footbed, and a wide toe box for zen-like comfort. The zero-drop design keeps your spine in alignment, while their proprietary IBR outsole is so light and flexible, you might just forget you’ve got shoes on. Features Minimalist, everyday shoe that wraps around your foot like a glove 100% vegan construction, right down to the laces and glue Open-weave mesh and microfiber upper for maximum breathability Ultra-lightweight construction weighs in at just 8.2 oz. per shoe (men’s size 10) Wide toe box that gives your toes the room to spread naturally 11mm stack height offers stability and responsiveness across varied terrain Zero-drop design supports good posture, spine alignment, and mid-foot strike Gusseted tongue and lacing system for a secure fit Moisture-wicking polyester lining and cork insole keeps your feet dry and comfortable Injection Blown Rubber (IBR) outsole for a lighter, more flexible shoe with plenty of grip Materials Upper: Microfiber and air mesh Lining: 100% polyester Insole: Natural cork and polyurethane Outsole: Injection Blown Rubber Imported Sizing The Primal Zen is a unisex shoe that uses normal US shoe sizing, take your regular shoe size For the best possible fit, compare your measurements to the size chart below Size Chart US Size Foot Length (cm) 5 22.4 5.5 22.8 6 23.3 6.5 23.6 7 24 7.5 24.5 8 24.9 8.5 25.4 9 25.7 9.5 26.2 10 26.5 10.5 26.9 11 27.3 11.5 27.8 12 28.2 12.5 28.7 13 29.1 14 29.9 15 30.8 About Lems When’s the last time you pulled off your boots, rolled ‘em up like socks, and fit ‘em in your carry-on? We’re guessing never, unless you have a pair of Lems. With the architecture of the human foot as their North Star, they build packable travel boots with huge ergonomic upsides like a wider toe box for natural stability and a zero-drop footbed to keep your spine in proper alignment—allowing your feet to live up to their natural potential. It adds up to the ideal travel shoes: comfortable, but lightweight and durable too. Whether you find yourself deep in the backcountry or exploring the back streets of a new city, Lems can take you there.