Only A Hill Pro Mesh Base Layer - Black⁸


Only a Hill Pro Mesh Base Layer

New for 2023, we've improved our best-selling Mesh Base Layer further with the use of a softer, 4 way stretch fabric that's incredibly breathable.

Designed to stretch perfectly to the body, the Only A Hill Pro Mesh Base Layer is a lightweight, breathable undergarment designed to regulate the core and keep your body comfortable, dry, sweat free and riding at its best.

The Icon Pro Mesh Base Layer is the perfect undergarment for warm to hot weather rides through Spring, Summer and Autumn.

Product Specification

  • Ergonomic fit designed to stay close to the body
  • 4 way stretch fabric 
  • Lightweight, technical open mesh fabrics
  • Sleeveless Construction
  • Unisex Fit
  • Cross Body Logo and Neck Graphics
  • Stretch Fit to allow a full range of on bike movements

Size Guide


The Icon Pro Mesh Base Layer should worn tight to the body to give maximum benefit from the fabrics. We suggest sizing down from any of our short sleeve jerseys.

Model is 182cm 77kg, and wears a size small. (5ft 11 & 12st 1lb // 169lbs)

Customer Reviews

Based on 6 reviews
Francois A.
This is a very nice product

Yes this is the better one and the fitting is perfect for my size. 5 Stars.

Jason P.
Bomb the Baselayer-No getting over it!

Superb baselayer, fits as it should, does what it should and looks cool! Have been using it for my turbo sessions and I love it! I'll always get over a hill, but never get over how good this is. It's the bomb!!

Richard W.

This brand never disappoints. I now have 3 of these base layers and love em. Highly recommended

James G.
Great for warm workouts

Perfect for an indoor training session, fitted as described on the size guide. Feels really good quality will probably be buying another!

It's only a hill.....

Yet another high quality piece of kit from the Guys at BoC. Perfect!