Shoes for aqua exercise

With a little resistance

AQx Aquatic Training Shoe: Innovative water shoe with a breakthrough technology: built-in resistance scoops.

Likes: Provides a significantly tougher workout and greater calorie burn than the other tested shoes; particularly works the hamstrings and glutes. The all-neoprene lining makes it the most comfortable of all the shoes tested. The quick-cinch lacing system works fast and won't come undone. Includes mesh bag and DVD.

Dislikes: Doesn't dry quickly, because of all-neoprene lining.

Price: $79.95. (800) 203-1276; www.aqxsports.com.

Sock-like feel

SPEEDO Hydro XP: All-around water aerobics and running shoe.

Likes: Has a more flexible, comfortable, sock-like feel than every shoe here except the AQx. Quick-cinch lacing system. Partial-mesh upper allows the shoe to drain and dry quickly.

Dislikes: No resistance mechanism.

Price: $49.99. (888) 4-SPEEDO; www.speedousa.com.

Light in weight and price

Sprint Aquatics Aqua Shoes: Water aerobics shoes.

Likes: Ultra-lightweight. Fine for all water activities. The price.

Dislikes: Regular laces can come undone in the water (a new model with a Velcro closure is coming in September). The thick, stiffer white-foam sole is less tactile than the others.

Price: $40.45. (800) 235-2156; www.sprintaquatics.com.

Versatile and tough

MERRELL WaterPro Current: All-around water shoe with all-mesh upper.

Likes: Good for water running. Has a flexible ground feel; mesh dries very fast. Tough and multifaceted; actually designed for non-chlorinated water sports such as rafting, kayaking and sailing.

Dislikes: Comfy, but not sock-like, as are AQx and Speedo. No resistance technology.

Price: $75. (800) 789-8586; www.merrell.com.