What to Wear When You Can’t Wear a Wetsuit
No wetsuit allowed? What to wear for a non-wetsuit triathlon swim and for warm-water training, from swimskins to buoyancy shorts.
Date:
July 14, 2026
Time:
1 min
Race rules or warm water sometimes mean the wetsuit stays in the bag. What you wear instead depends on one question: is this a race, or a training swim?
In a declared non-wetsuit race
When a race is declared non-wetsuit, governing bodies including IRONMAN and British Triathlon ban all neoprene in the swim. No wetsuit shorts, no kneeskins, no neoprene tops. You have two legal options: your trisuit alone, or a textile swimskin worn over it.
A swimskin is the faster choice. Our Streamline Swimskin cuts drag with water-repellent fabric and bonded seams, comes in men's and women's fits, and comes off in seconds at transition.
In warm training swims and pools
Outside racing, the rules relax and neoprene is back on the table. Buoyancy shorts lift your hips into a strong position while you work on technique. A kneeskin or neoprene top adds warmth and support without a full suit, and both can layer under a wetsuit when the cold returns. A swimskin works here too, and it is chlorine resistant, so pool sessions before race day are a smart way to practise the quick removal.
The short answer
Racing: trisuit or swimskin, nothing neoprene. Training: whatever helps the session, from buoyancy shorts to a neoprene top. Check your race's athlete guide before you travel; wetsuit rules depend on the official water temperature on the day.
