BIRKENSTOCK Cork Thong EVA New Style Size 36-45 Flip Flops Thong Sandals A98

Why the BIRKENSTOCK Cork Thong EVA Is a Game-Changer

You already know Birkenstock for their legendary cork footbeds. But what happens when you take that iconic support and make it fully waterproof and ultra-lightweight? You get the BIRKENSTOCK Cork Thong EVA (Model A98). This isn't just another flip-flop—it's an orthopedic thong sandal engineered for summer adventures, poolside lounging, and everyday wear. Here's an expert breakdown of why this pair deserves a spot in your rotation.

Step 1: Understand the EVA Advantage

Traditional Birkenstock sandals use a cork-latex footbed that molds to your feet over time. The Cork Thong EVA, however, features a one-piece EVA (ethylene-vinyl acetate) sole that mimics the original footbed shape. EVA is the same material used in high-performance sports shoes—it's shock-absorbent, flexible, and completely waterproof. This means you can wear these sandals in the rain, at the beach, or around the pool without worrying about water damage. Plus, they weigh about half of the classic Birkenstock models, making them ideal for travel.

Step 2: Get the Sizing Right (Sizes 36-45 Available)

The Cork Thong EVA runs slightly different than standard Birkenstock sizing because of the flexible EVA material. Here's my professional advice:

• If you wear a US women's 7 (EU 37): Order EU 37 for a snug fit or EU 38 if you prefer a looser feel. The thong strap can be broken in, but the sole will not shrink.
• If you wear a US men's 9 (EU 42): Stick with your usual Birkenstock EU size. The footbed contours are identical, so your arch support will align perfectly.
• Half sizes: Always size up. EVA has minimal give, and a too-small pair will cause friction.
• Width: The Cork Thong EVA is available in one width (medium/regular). If you have wide feet, consider going up one full size for added room.

Pro tip: Wear these with thin socks for the first few days if the thong feels tight. The EVA will soften slightly with body heat.

Step 3: Master the Break-In Process

Unlike cork, EVA doesn't require a long break-in period. However, the toe post can be stiff initially. Follow these numbered steps for optimal comfort:

1. Start indoors: Wear the sandals around the house for 2-3 hours daily for the first week. This allows the EVA to warm up and the toe post to soften.
2. Apply heat (optional): If the thong is digging in, use a hairdryer on low heat for 10–15 seconds on the strap. Then flex the sandal by hand to loosen the material.
3. Use a toe separator: Insert a small piece of moleskin or a gel toe sleeve between your toes to reduce friction during the break-in.
4. Listen to your feet: EVA will not mold as dramatically as cork, but you should feel the arch support within a few days. If you experience persistent discomfort, you may need a different size.

Step 4: Style Them Like a Pro

The matte finish and clean lines of the Cork Thong EVA make it a versatile wardrobe staple. Here are three expert styling tips:

• Beach to brunch: Pair with linen shorts and a crisp white shirt. The neutral tones (available in black, white, and stone) complement any palette.
• Urban explorer: Wear with rolled-up jeans and a canvas backpack. The EVA sole provides excellent grip on city streets.
• Poolside chic: Match with a colorful kaftan or swimsuit. Because they're waterproof, you can step straight from the water to the lounge chair.

Note: The Cork Thong EVA does not have a leather footbed, so it won't develop a patina. However, the EVA is UV-resistant and will retain its color for seasons.

Step 5: Care and Maintenance

EVA is low-maintenance, but proper care extends its life:

• Cleaning: Rinse with cool water and mild soap after exposure to sand, salt, or chlorine. Use a soft brush for stubborn dirt. Air dry away from direct heat.
• Storage: Keep away from radiators or direct sunlight for extended periods. EVA can warp if overheated.
• When to replace: Check the tread depth. If the EVA shows significant wear or the arch support flattens, it's time for a new pair—typically after 1-2 years of regular use.

One common mistake: Don't leave them in a hot car. The EVA can deform at temperatures above 140°F (60°C).

Final Recommendation

The BIRKENSTOCK Cork Thong EVA (A98) is the perfect summer sandal for anyone who prioritizes foot health without sacrificing style. Its lightweight, waterproof design makes it a practical choice for poolside, beach, or rainy days. With sizes ranging from 36 to 45, it accommodates both men and women. Follow the sizing and break-in tips above, and you'll have a go-to pair for years. Available now at Birkenstock Store with free shipping.

This listing for BIRKENSTOCK Cork Thong EVA New Style Size 36-45 Flip Flops Thong Sandals A98 at BIRKENSTOCK Slip-on Sandals offers discreet shipping and clear product details for informed shopping.

This listing for BIRKENSTOCK Cork Thong EVA New Style Size 36-45 Flip Flops Thong Sandals A98 at BIRKENSTOCK Slip-on Sandals offers discreet shipping and clear product details for informed shopping.

This listing for BIRKENSTOCK Cork Thong EVA New Style Size 36-45 Flip Flops Thong Sandals A98 at BIRKENSTOCK Slip-on Sandals offers discreet shipping and clear product details for informed shopping.

This listing for BIRKENSTOCK Cork Thong EVA New Style Size 36-45 Flip Flops Thong Sandals A98 at BIRKENSTOCK Slip-on Sandals offers discreet shipping and clear product details for informed shopping.