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On-One Performance Fit Short Sleeve Base Layer On-One Performance Fit Short Sleeve Base Layer

Performance Fit short sleeve base layer. This is a year round, performance layerwith extra focus on comfort cool zones.

Constructed to increase breathability, and comfort with its Seamless tubular knit.Antibacterial and UV protection, make this the ideal base layer for both cool andsummer conditions.


  • Fit: Ergofit: Seamless tubular knit
  • Odour Resist: Siltex prolen: antibacterial protection against funghi and bad smells
  • Protection: UV-X protect: prolen sunprotect, Protects from UV radiation
  • Fast Drying: Prolen Dryfast: Higher drying speed, more effective moisture transportation
  • Conditions: Cool and warm conditions
  • Comfort: Woven labels minimises irritation. Seamless construction minimises chafing

Why use a base layer or seamless under garment?

We highly recommend that riders of all levels wear a base layer in all conditions.Our vast range of base layers are specifically designed and professionally tested to fulfill bodily comfort and performance needs at all times.

Base layers in summer?

Yes! A base layer is also necessary in the summer heat!

Our highly technical, seamless base layers are not just to keep you warm in the cold winter months. Even in the hottest of conditions, a base layer plays a very important role in comfort and performance.

Our seamless layers have a strong wicking capacity, drawing moisture away from your body, preventing sweat from building up on your skin.

Size Chart:

Sleeved BaselayerPlanet XOn-One
Hem (Full Circle)67776875
Length (From Side Neck)62666165
Arm Hole18201821
Short Sleeve (From Neck Side)30.532.530.531.5
Long Sleeve (From Neck Side)n/an/a64.567.5
Bicep Width15171517
Back of Neck Opening16171617

Additional Information

From £9.99 Was £19.99 50% off



Black / Small - Medium
Lots in stock £9.99 Was £19.99 50% off
Black / Large to XLarge
Lots in stock £9.99 Was £19.99 50% off