Now is the perfect time to snag a swim training vest! Walmart has lots of their Swim Training Vest for as little as $3.97! The vests soft fabric, padded shoulders, and adjustable safety strap keep your child comfortable in and out of the water. The Medium/Large is recommended for ages 4-6 years, 50 lbs. Max. Don’t forget if, available in your area, you can opt to pick your purchase up in-store to avoid any shipping charges. Otherwise shipping is free when you spend $35 or more.