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O'Neill Youth Epic 5/4 Back Zip Full is a youth wetsuit with a classic back zip, designed for regular sessions in cold conditions. The 5/4 mm thickness, 100% UltraFlex Neoprene, warm FluidFlex Firewall, GBS seams and Double Super Seal Neck combine thermal protection, flexibility and reduced water entry.  

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Youth wetsuit for colder conditions

O'Neill Youth Epic 5/4 Back Zip Full is a youth neoprene wetsuit that incorporates several features found in O'Neill's higher-end models. The 5/4 mm construction provides increased thermal insulation, while the classic Back Zip makes the suit easy to put on and take off.

100% UltraFlex Neoprene

The entire wetsuit is made from UltraFlex Neoprene, a flexible material designed to support natural body movement in the water.

Seamless Paddle Zones reduce seam placement in areas where the arms move most, helping minimize restriction during paddling and other dynamic upper-body movements.

FluidFlex Firewall for added warmth

The construction includes FluidFlex Firewall, an internal thermal layer designed to provide additional insulation.

Combined with the 5/4 mm thickness, it helps increase comfort during sessions in cold water.

 

Back Zip and Double Super Seal Neck

The suit features a classic Back Zip entry system with a redesigned Covert Blackout Zip.

The Double Super Seal Neck creates additional sealing around the neck to help reduce water entry.

GBS Seams and durability

The wetsuit uses GBS (Glued and Blind Stitched) Seams. The panels are glued and blind stitched to help reduce water penetration through the seam lines.

The knees are reinforced with Krypto Knee Padz, increasing durability in one of the highest-wear areas of the wetsuit.

Practical details

The suit also features an External Key Pocket with Loop, providing a secure place for a key.

Features

Back Zip

Back Zip - the most comfortable of zips. You can easily put the wetsuit on and get out of it


Flatlock Stitched Breathable Seams

A strong flat stitch that works by overlapping the neoprene panels and sewing them together, providing comfort, breathability and strength. Not intended for extremely cold conditions/ Flatlock stitch is mainly used for warm-water wetsuits


Double Super Seal Neck

Fully adjustable glideskin seal. Comfortable and waterlight


Key Pocket

A key pocket created for your comfort. It means you won't have to worry about what to do with them


Krypto Knee Padz

Ergonomic knee protection. High-strength, abrasion-resistant material on knees for added protection


Ultraflex

High-performance, super-stretch neoprene with a durable outer shell that resists stretching and Velcro hooking. In addition, it is soft and provides a sense of flexibility and freedom of movement


Drain Holes

Strategically placed holes ensure that water drains away quickly from the inside of the wetsuit


FluidFlex Firewall™

Warmer, wind-resistant fabric with internal water-wicking layer


Suggested wetsuit temperature chyart



 

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Specification

Youth & Toddler Wetsuits Size Chart

 
Product Size Height (cm) Weight (kg) Chest (cm) Waist (cm)
1 88-98 11-13.5 48-53 45.5-51
2 98-108 13.5-16 51-56 48-53
3 108-118 16-18 53-58 51-56
4 118-126 18-25 58-64 51-56
6 126-133 22.5-29.5 62-67 55-60
8 133-141 27-34 66-71 58-64
10 141-147 34-41 71-76 58-64
12 147-155 41-48 74-79 64-69
14 155-163 48-54.5 79-84 69-74
16 163-170 54.5-61 84-89 71-76
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