Why Castelli in 2025?

Quite simply, because they're the best in the business!
Get ready to turn heads in 2025! We’re thrilled to introduce not one, but TWO stunning new kit designs that are sure to make an impact. After extensive research and discussions with the leading kit manufacturers, we have chosen none other than CASTELLI - an industry leader with over 50 years of excellence. Castelli kits are built for performance, offering unbeatable sun protection, speed, and comfort for all of your swims, rides, and runs. With exceptional breathability and aerodynamics, these kits are perfect for any race distance, from sprints to long courses.
Triathlon Tops (Sleeved and Sleeveless)
  • Freedom of movement in the water, aerodynamics on the bike, comfort on the run
  • Velocity Rev2 aero fabric on front-facing surfaces
  • UPF 16 Velocity mesh back blocks 94% of UV rays, with generous breathability
  • Two rear pockets lie flat and prevent nutrition from bouncing around
  • GIRO3 flat gripper elastic lies flat on lower back
  • SnapLock fastener at lower back to clip to Free Tri Short to prevent top from riding up during swim or bike leg
  • YKK® Camlock® zipper
Triathlon Shorts
  • The do-everything triathlon short for training and racing
  • KISS Tri seat pad is comfortable on the bike and virtually disappears on the run
  • SnapLock fastener at waist to clip jersey into place for swim and bike
  • Flat-lock stitching
  • Pocket at center back
  • Raw-cut leg ending with internal silicone grip elements
One Piece Race Suit
  • Upper part from our best-selling Free Sanremo 2 W Short Sleeve suit
  • Premio-based short portion taken from the new PR 2 W Speed Suit
  • Velocity Rev2 main body fabric delivers aerodynamics with excellent fit and moisture management
  • Back fabric is our Velocity mesh for breathability, yet it blocks 94% of UV rays for significant sun protection (UPF 16)
  • Elbow-length sleeves with raw-cut edges for maximum comfort and aerodynamics
  • Castelli's Sanremo front opening makes it easier to bend for cycling and straighten out for the run and swim, while also allowing for opening up for extra-hot runs
  • Two rear pockets lie flat in the swim but allow generous room for nutrition
  • KISS Tri seat pad that provides comfort on the bike and that you almost don't feel during the run