Siroko Base layers

Opportunities available with immediate delivery

Find Clothing from Siroko for running and triathlon

Elevate every run and conquer every transition with SIROKO, the brand dedicated to high-performance gear for the modern runner and triathlete. Engineered for those who push their limits, SIROKO combines cutting-edge technology with contemporary design to create apparel that works as hard as you do. At Runnerinn, we are proud to feature a brand that understands the demands of endurance sports, offering a complete range of apparel designed to optimize your performance, from race day essentials to daily training staples.

While SIROKO´s commitment to excellence is evident across its entire collection of technical t-shirts, shorts, and accessories, it is in the foundational pieces where their expertise truly shines. We invite you to explore the core of any high-performance layering system: SIROKO´s exceptional range of running and triathlon base layers. A superior base layer is the unsung hero of your athletic wardrobe, providing the critical first line of defence against the elements and the foundation for comfort and effective thermoregulation.

SIROKO base layers are meticulously engineered to function as your ultimate second skin. Crafted from advanced, lightweight technical fabrics, these garments excel at superior moisture management. They actively wick sweat away from your body, transporting it to the outer surface where it can evaporate quickly. This crucial process keeps you dry, preventing the dangerous chill of damp fabric against your skin during cold-weather runs and reducing irritation and weight during intense, warm-weather efforts.

Experience unparalleled comfort mile after mile, thanks to features like seamless construction that minimizes friction and eliminates chafing points, a common issue on long-distance runs or under a snug-fitting tri-suit. The ergonomic, four-way stretch fit ensures complete freedom of movement, adapting to your body´s every stride and motion without restriction. Whether you need a long-sleeve thermal base layer to trap essential body heat during deep winter training, a versatile short-sleeve version for transitional spring and autumn days, or an ultra-light sleeveless top for maximum breathability under your race kit, SIROKO provides the perfect solution.

This meticulous attention to detail means you can focus purely on your performance—your pace, your breathing, your form—without the distraction of uncomfortable apparel. By maintaining an optimal body temperature, SIROKO base layers allow your body to perform at its peak for longer, conserving vital energy that would otherwise be spent on heating or cooling itself.

Discover the SIROKO collection at Runnerinn and build your performance wardrobe from the inside out. Start with the essential base layer and experience the tangible difference that technical precision and innovative design can make to your training and racing. With SIROKO, you´re not just wearing gear; you´re equipping your ambition

Siroko Base layers

Siroko S-Power base layer pants

Siroko Sky Flow base layer pants

Siroko New Feel base layer pants

Siroko Fit Max base layer pants

Siroko Golden Series base layer pants

Siroko Air Pro base layer pants

Siroko Striker base layer pants

Siroko K-Core Squish base layer pants

Siroko Luxe base layer pants

Siroko Xtra base layer pants

Siroko K-Core Ink long sleeve base layer

Siroko Core Vivid sleeveless base layer

Siroko Core Airborne sleeveless base layer

Siroko K-Core Pavi sleeveless base layer

Siroko Five Stars base layer pants

Siroko Xero long sleeve base layer

Siroko SRX Premium Skin short sleeve base layer

Siroko Ultimate Ground long sleeve base layer

Siroko SRX Convex short sleeve base layer

Siroko Slush long sleeve base layer

Siroko K-Core Chat sleeveless base layer

Siroko Slush long sleeve base layer

Siroko SRX Compact long sleeve base layer

Siroko SRX Pro Team long sleeve base layer

Siroko SRX Typhoon long sleeve base layer

Siroko Slush Watercolor long sleeve base layer

Siroko Drystone long sleeve base layer

Siroko Snow Dune long sleeve base layer

Siroko Core Aletsch Top long sleeve base layer

Siroko Clout short sleeve base layer

Siroko SRX Black Ice short sleeve base layer

Siroko Slush long sleeve base layer

Siroko Siren long sleeve Base Layer Set

Siroko Slush long sleeve base layer

Siroko Ultimate Thermal long sleeve base layer

Siroko Shine base layer pants

Siroko Magic Ice-G long sleeve Base Layer Set

Siroko Slush long sleeve base layer

Siroko Slush long sleeve base layer

Siroko Slush long sleeve base layer

Siroko Slush long sleeve base layer

Siroko Slush long sleeve base layer

Siroko Slush long sleeve base layer

Siroko Landscape sleeveless base layer

Siroko Ultimate Silt long sleeve base layer

Siroko Chasseral long sleeve base layer

Siroko Spur long sleeve base layer

Siroko SC BL Capitán sleeveless base layer

Siroko Aizkorri long sleeve base layer

Siroko Ring Road long sleeve base layer

Siroko SC BL Mareona sleeveless base layer

Siroko SC BL Batalla sleeveless base layer

Siroko Talus long sleeve base layer

Siroko Pretzel long sleeve base layer

Siroko SC BL Estadio sleeveless base layer

Siroko Atomic sleeveless base layer

Siroko Magic Ice long sleeve Base Layer Set

Siroko Ultimate Siberia long sleeve base layer

Siroko Core Airolo Top long sleeve base layer

Siroko Ultrablack short sleeve base layer

Siroko Amazonas sleeveless base layer

Siroko Velocity sleeveless base layer

Siroko DW Finestre long sleeve base layer

Siroko Train Force sleeveless base layer

Siroko Splat long sleeve Base Layer Set

Find Clothing from Siroko for running and triathlon