BIRKENSTOCK Cork Thong EVA New Style Size 36-45 Flip Flops Thong Sandals A216

Introducing the BIRKENSTOCK Cork Thong EVA: Where Heritage Meets Modern Versatility

The BIRKENSTOCK Cork Thong EVA (Style A216) represents a bold evolution of the iconic German brand’s commitment to foot health and casual comfort. Unlike traditional leather thongs, this model leverages advanced EVA (ethylene-vinyl acetate) technology combined with a genuine cork footbed to deliver a sandal that is both lighter and more water-resistant than its predecessors. Designed for sizes 36 through 45, this unisex flip flop caters to a wide range of foot shapes while maintaining the anatomical support that has made BIRKENSTOCK a trusted name since 1774.

Material Breakdown: EVA vs. Traditional Materials

The upper is crafted entirely from high-density EVA foam, a closed-cell material that offers several distinct advantages over leather or synthetic straps. First, EVA is inherently waterproof, making the Cork Thong EVA ideal for beach outings, poolside relaxation, or unexpected rain showers. Second, it is incredibly lightweight—each sandal weighs approximately 150 grams, reducing fatigue during all-day wear. Third, EVA is resistant to UV rays and ozone, ensuring the vibrant color (available in multiple shades) does not fade or crack after prolonged sun exposure.

The footbed, however, retains the signature BIRKENSTOCK cork-latex blend. This natural material molds to the contours of your foot over time, offering customized arch support and shock absorption. The cork is encased in a thin layer of EVA to protect it from moisture, allowing you to wear these sandals in damp environments without compromising the footbed’s integrity. A microfiber suede lining is bonded to the cork surface, providing a soft, breathable interface that wicks away sweat and prevents slipping.

Anatomical Design: The BIRKENSTOCK Difference

Every BIRKENSTOCK sandal incorporates a contoured footbed designed to promote natural foot alignment. The Cork Thong EVA is no exception. Features include a deep heel cup that cradles the calcaneus, a pronounced longitudinal arch support that reduces strain on the plantar fascia, and a metatarsal pad that gently lifts the ball of the foot to encourage a rolling gait. The thong post is precisely positioned between the first and second toes, aligning with the foot’s natural splay to avoid irritation.

This anatomical configuration benefits individuals who stand for extended periods, suffer from flat feet or plantar fasciitis, or simply desire a sandal that does not compromise foot health for style. The EVA upper adds a slight shock-absorbing quality, cushioning each step without sacrificing ground feel.

Use Cases: From Casual Strolls to Water Activities

While many BIRKENSTOCK models are reserved for dry conditions, the Cork Thong EVA thrives in environments where moisture is present. Take them to the beach: the EVA upper rinses clean with fresh water, and the cork footbed remains protected by its EVA shell. Pool decks become safer as the textured footbed prevents slipping, and the non-marking rubber outsole grips wet tiles effectively. For urban explorers, these sandals serve as a lightweight travel companion—they pack flat, dry quickly, and adapt to city pavements, museums, and café terraces with equal ease.

However, the cork footbed does require some care to maintain its shape. Avoid prolonged submersion in salt water or chlorinated pools, as these chemicals can degrade the cork-latex blend over time. After exposure to water, allow the sandals to air dry at room temperature away from direct heat sources. Never machine wash or dry them, as this can distort the footbed.

Sizing and Fit: Finding Your Perfect Pair

BIRKENSTOCK sizes run differently from conventional shoe sizes. The Cork Thong EVA is available in European sizes 36–45, corresponding to US women’s 5–11 and US men’s 4–12.5. To determine your size, measure your foot length from heel to longest toe and consult the BIRKENSTOCK size chart. A general rule: if you are between sizes, choose the larger option, as the cork footbed will mold to your foot over time. The thong post should sit comfortably between your toes without digging or sliding; if it feels too tight, consider using a hairdryer to warm the EVA strap slightly, then flex it gently to loosen.

The EVA upper offers minimal stretch, so the initial fit should be snug but not constricting. A thumb’s width of space at the heel is acceptable. For those with narrow feet, the adjustable thong is not present (since it is a fixed thong), but the footbed’s contour will naturally grip the foot. Wide-footed individuals may find the standard width too narrow; BIRKENSTOCK occasionally offers a “wide” version in select sizes, so check product listings carefully.

Care and Longevity: Extending the Life of Your Sandals

To keep your Cork Thong EVA sandals looking fresh, follow these simple steps. After each wear, brush off loose dirt with a soft bristle brush. For deeper cleaning, mix mild soap with water and gently scrub the EVA upper and footbed using a damp cloth. Rinse thoroughly and pat dry with a towel. Avoid harsh chemicals, bleach, or abrasive sponges that can damage the EVA surface.

The cork footbed benefits from occasional conditioning with a specialized cork sealer (available from BIRKENSTOCK retailers) to prevent drying and cracking. Apply the conditioner sparingly and allow it to absorb fully before wearing. Store your sandals in a cool, dry place away from direct sunlight and heat sources to prevent warping. With proper care, a pair of Cork Thong EVA sandals can last 2–4 years of regular use, depending on intensity and environment.

Comparing to Other BIRKENSTOCK Thong Models

BIRKENSTOCK offers several thong sandals, each with distinct characteristics. The classic Arizona Thong (often confused with the two-strap Arizona) features leather straps and a cork footbed, offering a more premium aesthetic but requiring more care and break-in time. The Madrid Thong is a single-strap sandal with a leather upper, similar in concept but heavier. The Cork Thong EVA sits as the most practical choice for active lifestyles and wet conditions. It is also the most affordable among the leather thong options, making it an excellent entry point for new BIRKENSTOCK wearers.

Another alternative is the BIRKENSTOCK EVA Sandal (non-thong), which uses a molded EVA footbed without cork. While fully waterproof and lightweight, it lacks the anatomical support and long-term molding benefits of the cork footbed. The Cork Thong EVA thus bridges the gap between durability and orthotic support.

Environmental and Ethical Considerations

BIRKENSTOCK is committed to sustainable manufacturing. The cork used in the footbed is harvested from the bark of cork oak trees, which regenerates every nine years without harming the tree. The EVA material is free from PVC and phthalates, and the brand operates with ISO 14001 environmental management standards. By choosing the Cork Thong EVA, you support a company that prioritizes renewable resources and long-lasting products over fast fashion.

In summary, the BIRKENSTOCK Cork Thong EVA A216 is a thoughtfully engineered sandal that combines decades of orthopedic expertise with modern materials science. Whether you are lounging by the water, running errands, or exploring a new city, these sandals deliver comfort, durability, and style. Choose your size, step into the anatomically contoured footbed, and experience why BIRKENSTOCK remains a global icon in foot wellness.