Saysky Men's Reactive Flow T-Shirt "Dark Beige"

Founded in Copenhagen in 2013, SAYSKY merges high-performance construction with a distinctive urban aesthetic. The Reactive Flow T-Shirt continues that approach - combining technical precision with a subtle design twist.

Engineered for runners who value both performance and style, this tee is constructed from an ultra-lightweight 80gsm fabric that delivers a soft, next-to-skin feel. The recycled polyester blend offers superior moisture-wicking capabilities and fast drying performance, keeping you cool and focused during high-output efforts.

Designed with reactive print technology, the hidden SAYSKY logo becomes visible when exposed to sweat or water - a dynamic detail that evolves as your effort increases.

Breathable, flexible and cut for unrestricted movement, the Reactive Flow T-Shirt is built for tempo sessions, race day and warm-weather training.

Lightweight innovation. Performance without compromise.

• Super lightweight
• Superior moisture wicking abilities, next-to-skin feel and ventilation
• Quick drying fabric
• Hidden SAYSKY logo print when exposed to sweat or water.
• Fabric Composition: 79% Recycled Polyester / 21% Polyester, 80 gsm
• Made In: China
• Colourway: Dark Beige Logo
• Product Code: SM25011-1070

All sizes displayed on our website are UK sizes.

We are currently working on measurements for apparel and accessories so please bear with us.

In the meantime, for footwear, please refer to the sizing guide here. However, if you require any additional advice on sizing, please contact us.

Worldwide shipping, domestic shipping in the UK, and in-store collection is available.

You can find all relevant shipping information here.

We have a 28-day return policy, which means you have 28 days after receiving your item to request a return. 

To be eligible for a return, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase.