It should sit close enough to layer under a jacket without bunching, while allowing free arm movement. The Half-Zip Collar style has a relaxed fit if you prefer more room. Check each product's size chart.

Wash in cold water on a gentle cycle with a mild liquid detergent, ideally inside out. Skip bleach and fabric softener, since softener can coat performance fibres and reduce moisture-wicking. Line-dry away from direct heat and check the care label on each product.

Double-knit fabric is knitted with two interlocked layers, giving a smoother, more stable feel than single jersey. It holds its shape well and feels soft against the skin.

Yes. The Quarter-Zip Performance Top has a sleek silhouette and silky finish that pairs well with chinos or stretch trousers for a smart casual look.

Not with lightweight performance fabrics. The 120g fabrics breathe and wick sweat, and long sleeves can actually keep you cooler in direct sun by shielding your skin.

Anti-static fabric reduces the build-up of static electricity, which is common in dry winter weather. It stops the top clinging to your body and reduces the small shocks you may feel when removing layers.

7A is one of the highest grades used in textile antibacterial testing. On the Half-Zip Collar Long-Sleeve T-Shirt, it helps inhibit odour-causing bacteria so the top stays fresher through long days.

Yes. They protect your arms from sun and morning chill while wicking sweat. Choose a stretch style such as the Quarter-Zip Performance Top for full arm movement.

Several styles, including the Long Sleeve Essential T-Shirt and the Quarter-Zip Performance Top, offer UV protection, which helps when you train or travel outdoors.

Yes. The Long-Sleeve Performance T-Shirt and Long Sleeve Essential T-Shirt are lightweight and moisture-wicking, making them good base layers under a fleece or winter jacket for treks and cold-weather travel.

A quarter-zip has a shorter zip, usually ending just below the collarbone, while a half-zip opens further down the chest. Both help with temperature control; a half-zip offers more ventilation.

A half-zip top is a pullover with a zip that opens from the collar to mid-chest. It lets you adjust ventilation and warmth while you move, and it adds a sporty, polished look.