ABC-MART 2026 Guide: Combating Summer Fatigue with Footwear. The "New Standard" for Sneaker Sandals and Fitting Techniques to Reduce Heatstroke Risk

The summer of 2026 is expected to bring extreme heat, with intense radiation from asphalt. The staple of summer footwear has now completely shifted to "sneaker sandals," marking a clear departure from the thin-soled trend of 10 years ago. However, their high cushioning has created a new pitfall: "they can be worn comfortably even with the wrong size." Incorrect sizing and wearing methods cause people to unconsciously overwork their toes and calves, amplifying fatigue from the extreme heat and leading to "hidden summer fatigue."

In this release, speaking as a shoe retailer from an expert perspective, we explain the "correct way to choose and wear" the latest sneaker sandals to maximize their potential and conserve energy.

Fitting Sandals: The Heel is the Top Priority

The most important aspect of choosing sneaker sandals is not leaving room at the toes, but ensuring "the heel is positioned exactly where it should sit in the footbed." Many sneaker sandals have cup-shaped heels; arch support only functions when the bone is placed correctly here. Choosing an oversized pair thinking "a little bigger is more comfortable" causes the heel to wobble side-to-side with each step, placing extra strain on the ankles and knees. When fitting, prioritize aligning your heel to the very back before tightening the straps, and check that the raised arch support matches your own foot.

Characteristics of "Sandal Refugees" That Increase Fatigue

The condition that induces the most fatigue is "when the foot and the sandal separate." It is especially dangerous when the size is too large and the sandal flops around with every step. When a shoe feels like it's going to fall off, the brain unconsciously commands the toes to curl and grip the shoe. This "toe tension" stiffens the calf muscles, worsening blood flow and causing overall body lethargy. The chunky soles (thick soles) trending in 2026 offer excellent insulation but are somewhat heavy; failing to secure the ankle tightly with straps doubles the damage to the ankle due to the pendulum effect.

Wearing "Socks" is Actually the Right Answer for Midsummer

The common sense that "sandals mean bare feet" needs updating for recent extreme heat. From the perspectives of functionality, hygiene, and fatigue reduction, the correct answer for 2026 is "pairing them with high-performance socks." Wearing them barefoot leads to slipping inside the shoe due to sweat, making the fit unstable. This is the cause of the aforementioned "toe tension." Furthermore, wearing highly absorbent and quick-drying socks maintains the hold characteristic of sneaker sandals while preventing skin troubles caused by stuffiness. Matching design socks has also taken root as the latest trend, making it a smart choice that balances health and fashion.

ABC-MART introduces sandals that are easy to size and comfortable to wear!

6 "New Sneaker Sandals" That Are Versatile for Styling

adidas Gazelle Bold Sandal W CLEA/NIGH/GOLD 12,100 yen (tax included) 22.5cm~26.5cm (1.0cm increments) https://gs.abc-mart.net/shop/g/g7069530001044/

adidas Climacool Ventania Sandal CORE/FTWR/GREY 9,900 yen (tax included) 22.5cm~28.5cm (1.0cm increments) https://gs.abc-mart.net/shop/g/g7046610001044/

NIKE Women's Air Max Halo 13,530 yen (tax included) 22.0cm~27.0cm (1.0cm increments) https://gs.abc-mart.net/shop/g/g7073930002043/

NIKE Women's Air Max Koko Sandal 003BLK/BLK 13,530 yen (tax included) 22.0cm~29.0cm (1.0cm increments) https://gs.abc-mart.net/shop/g/g6059910002043/

Dr.Martens Nartilla BLACK 19,800 yen (tax included) 22.0cm~25.0cm (1.0cm increments) https://gs.abc-mart.net/shop/g/g6053490001011/

PUMA Mayze Sandal Lace NU *03ALPINE SNOW 10,450 yen (tax included) 22.0cm~26.0cm (1.0cm increments) https://gs.abc-mart.net/shop/g/g6389030003045/

6 "New Sneaker Sandals" Chosen for Comfort and Functionality

PUMA Cilia Wedge Sandal *01S.ALMOMD 8,690 yen (tax included) 22.0cm~26.0cm (1.0cm increments)