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Mens Killer Fish 3" Half Split Trainer Shorts



Introducing Killer Fish, aka the evolved predator. Don’t let this fish’s great looks fool you, they are specifically adapted for the night. When you need innate immunity to fight off fatigue, let these shorts help you find the “Killer Fish” in you to keep going. 

*These should be purchased with the jellyfish shorts for optimal results.

The BOA 3” Stretch Half Split Trainer features our new Hybrid Lite stretch fabric and added length for increased modesty. The fabric incorporates spandex allowing for 4-way stretch to eliminate all bind and creates an ultra-soft feel. Half side splits allow full range of motion and coverage. Elastic waistband and draw cord provide adjustability for your perfect fit. Sleek internal key pocket built into waistband. If you are looking for high performance with added coverage, this is the short for you.

• Shell - Hybrid Lite, 88/12 Micro Polyester/Spandex, Lining - 100% Polyester
• Ultra-Lightweight stretch fabric provides extra soft flexible performance while keeping you dry during your runs.
• Half side split for full range of motion and high performance
• 3” inseam for added coverage and modesty
• Elastic waistband with built in drawstring and key pocket
• Designed, Cut, Sewn, and Printed in the USA

United States
Shell - Hybrid Lite, 88/12 Micro Polyester/Spandex, Lining - 100% Polyester

Customer Reviews

Based on 7 reviews
Size: M
Height: 5
Weight: 141 - 160 lbs

My son absolutely loves Boa shorts. They fit well, are comfortable and easy to run in. The patterns are so fun. Most of his team wear them and I love the camaraderie. They were also a huge hit at his running camp this past summer. I never thought I would see teenage boys with such style!

Jeanie Phillips
Size: S
Height: 6'1" - 6'3"
Weight: 121 - 140 lbs
Always perfect

Always perfect

Faustino Ramirez
Size: XL
Height: 5'7" - 5'9"
Weight: 201 - 220 lbs
Sharp looking and very comfortable

Best pair of shorts that I own. Keep it up!!!

Dan B
Size: S
Height: 5'10" - 6'0"
Weight: 121 - 140 lbs
Great, no problems!

They fit perfectly, I don’t need to adjust the waist or anything. They feel great, I haven’t had any problems with rubbing or scratching anywhere. I’ve gone on a few runs and have washed them and there isn’t any sign of damage.

Sam Blalock
Size: M
Height: 6'1" - 6'3"
Weight: 161 - 180 lbs
Blazing red shorts


Charles O.
Size: M
Height: 5'7" - 5'9"
Weight: 121 - 140 lbs
Old School Cool

My fourth pair of Boa running shorts. Great fit for running that keeps me cool in the summer heat.

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