Speedo Nemesis Fins product image

Speedo Nemesis Fins

Delivery & Pickup Options


Store Pickup - FREE

Product Information

Challenge yourself in the pool in the Speedo® Nemesis Fins. Designed to mimic the Humpback Whale’s fin, these flippers create a 300% larger surface area for greater propulsion. Strategically placed channels guide water towards the valves, creating more resistance on the downward kick. Designed with input from footwear experts, these swim fins are as comfortable as they are practical, so dive into your next training session with the Nemesis!


  • Best use: training
  • Designed to push more water during training
  • Constructed to mimic the Humpback Whale’s fin
  • 300% more surface area for more propulsion
  • Tubercles scalloped outer edges push water efficiently
  • Larger surface area to pass over while pushing more water during training and kicking drills
  • Medial edge openings create a blow valve opening
  • Blow valves provides resistance on the downward kick for sufficient training
  • Channels along the top and bottom guide water towards the blow valves
  • Naturally buoyant Injection Molded Foam (IMEVA) keeps the body streamlined at the hips and feet for an elevated body position
  • Latticed back heel strap for comfort along the heel bone and Achilles
  • Under heel strap creates better stability with a secure fit
  • Interior and mid-foot design created with input from footwear experts for performance with comfort
  • Grab hole at the top of the foot/ankle for easy on and off
  • Model # 7530479


  • X-S: shoe size 4-5 (men’s), 5.5-6.5 (women’s)
  • S: shoe size 5.5-6 (men’s), 7-7.5(women’s)
  • M: shoe size 6.5-7.5 (men’s), 8-9 (women’s)
  • L: shoe size 8-9.5 (men’s), 9.5-10.5 (women’s)
  • X-L: shoe size 10-11 (men’s), 11-12 (women’s)
  • XXL: 12-13 (men’s)

Customer Reviews