The majority of Assos’s base layer range falls into its Mille endurance collection. As you’d expect from Assos, there’s a ...

Credit: Tom Wieckowski Even though the days are longer and the mercury has risen above freezing, a base layer is still an ...

A base layer that will take you right through winter, but be ready to wash after every wear.

The Castelli Medio base layer is, at £80, the lowest priced of Castelli’s current range of four long-sleeved winter base ...

Part of me apologises for the predictability of giving editor’s pick in our best cycling base layers for summer guide to a $/£50 base layer, especially as it’s from a brand with a well-known focus on ...

A couple of weeks ago, I showed up in dusty pink Kari Traa thermals for a ski date with outdoor writer Stacy Gold and laughed as we tried to explain their appeal to her perplexed 70-year-old neighbor, ...

Designed to work with other gear you are wearing, the KLIM Tactical Armored Base Layer is, in my opinion, a must-have for every rider’s kit. It helps keep hot areas ventilated, provides protection in ...

This is my favourite base layer for winter — and it's only $30 (Photos via Kayla Kuefler & Uniqlo). Uniqlo's HEATTECH Crew Neck Long-Sleeve T-Shirt is among my most worn base layers. The long-sleeve ...

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The Sportful Sottozero winter base layer isn’t the warmest option on the market and it won’t be for everyone. If you are someone who needs warmth but also builds up a sweat when climbing, this base ...