Boys Chlorine Resistant Long Sleeve Training Rash Top | Navy
DuraFlex Performance Fabric
Perfect after every swim
12-Month Quality Guarantee: If your swimsuit loses shape or colour within 12 months, we’ll replace it.
Built for weekly swim lessons, squad training and long pool days, the Navy Long Sleeve Rash Top combines chlorine-resistant DuraFlex Performance Fabric with a comfortable, secure fit for active swimmers.
DuraFlex Performance Fabric
Made for frequent pool use, DuraFlex Performance Fabric helps maintain its shape, colour and comfortable feel through repeated chlorine exposure.
Comfortable Fit That Stays Put
A close, secure fit helps the rash top stay comfortably in place while kids swim, train and move through the water.
UPF 50+ Long Sleeve Coverage
Long sleeves and UPF 50+ protection provide added coverage during outdoor lessons, school swimming carnivals, beach days and poolside play.
Built for Regular Swim Training
Designed for weekly lessons, squad training and active swimming sessions at indoor and outdoor pools.
Easy to Pair with Swim Jammers
The versatile navy colour pairs easily with Lesimo boys’ training jammers for a practical, coordinated swim set.
FREE STANDARD SHIPPING
Free standard shipping Australia-wide on orders over $50.
Dispatched from our Sydney warehouse via Australia Post.
30-DAY EASY RETURNS
Free returns & exchanges within 30 days. Sale items are eligible for exchange or store credit.
See our full Returns & Exchanges Policy for details.
Easy-care chlorine-resistant swimwear.
Rinse in cool fresh water after each swim. Cold gentle machine wash separately using a mild detergent. Wash before first wear. Line dry in the shade. Do not tumble dry or leave rolled up wet for extended periods.
See It in Real Life
Moments shared by Lesimo families.
Helpful reads
Questions parents often ask
Why do swim coaches recommend jammers?
Jammers are designed for swim training. They stay secure, reduce drag in the water and allow boys to move freely during lessons, laps and squad sessions.
Learn more →What’s the difference between training swimwear and regular swimwear?
Regular swimwear is usually made for occasional beach or holiday use. Training swimwear is designed for frequent pool lessons, using chlorine-resistant fabric that helps maintain shape, comfort and coverage over time.
Learn more →Why is quick-dry swimwear helpful for families?
Quick-dry swimwear makes busy school and swim routines easier. It dries faster overnight, feels lighter after lessons and is more comfortable for regular weekly use.
Learn more →