Big Buoy 4 January the Aphotic II features lenses

the Aphotic II features lenses that get darker or lighter through photochromatic technology during the race

The silicone strap also features ridges to improve fit and security

A huge 40-litre volume to store all of your triathlon gear

Sublimated lightweight fabric

making them ideal for non UCI time trial events

Big Buoy 4 January the Aphotic II features lensesWe have improved the original HUUB Big Buoy to give you more variance in usage through shaping and buoyancy and size. We now call it the HUUB Big Buoy 4 because we have 4 positions of use. Improved body alignment. Massive floatation. Replicate wetsuit swimming in training. Offers a massive 34 newtons of buoyancy floatation. Most pull buoys offer just 17 newtons. You can now alter between drag loads by utilising hydrodynamic shaping and you can choose