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Cover Baby Swim Onesie

$47.50 $95.00
Light Blue Stripes


A cover innovation.  Made to fit like your favorite onesie but functions as sun protective swimwear. Snap closure for easy diaper changes.

  • Made in the United States.
  • SWIM JERSEY® fabric Cover's own luxurious fabric (80% nylon, 20% spandex).
  • Certified UPF 50+ Blocks 98% of ultraviolet rays. Physical (not chemical) protection. Protection does not wear or wash out.
  • Temperature control Keeps you cool when damp. 
  • Moisture-wicking Wear around water.
  • Quick-drying Wear in and out of water.
  • Breathable Ideal for exercise and active swim.
  • Durable Retains shape and color with wear in chlorine swimming pools. 
  • Cover Size Age       Chest / Waist / Length from shoulder(inches)
    XS 2-3 19 / 17.5 / 18.25
    S 4-5  20 / 18.5 / 19.75
    M 6-7 21 / 19.5 / 21.25
    L 8-9 22.5 / 21 / 22.5
    XL 10-11 24 / 22.5 / 23.75
    XXL 12-13 25.5 / 24 / 25
    • Our swimsuits are more fitted than our SwimT's and Coverups. 
    • We size all swimwear as clothing, so please do not size up from your normal clothing size. 
    • If you want a tight fitting SwimT for active swim, you could actually size down one size. 
    • If you are in between measurements, size down if you are petite and up if you are taller.
    • Care Instructions

      • Machine washable. Gentle cycle. Cold to warm water.
      • Do not bleach.
      • Hang or lay flat to dry.
      • Keep chemical sunscreens away from garment.
      • Chemical products will stain white and prints with white backgrounds especially. 

      Swim Jersey fabric is soft and silky. Engineered to provide comfort. Avoid rubbing fabric on rough surfaces such as rocks and swimming pool steps.

      How much is shipping? 

      Cover orders over $100 ship free via USPS with tracking. Expect orders to arrive within 2-5 business days. 

      Where do you ship? 

      Exclusively in the United States and Canada.

      What if I need to return an item? 

      Non-sale, non-accessory items are returnable for a refund minus a flat shipping fee within seven days. Fees will be covered on Cover’s end for partial returns. Full return policy details can be found (here)

      What about exchanges? 

      Exchanges are free within 7 days of receipt.

      How do I contact you? 

      Get in touch with Cover founder Lisa Moore directly at the following address: