The Southern Cross, the Commonwealth Star and the Union Jack, on black. Useful on race day when you want the flag on show. Composition 77.9% Polyester · 17.9% Nylon · 4.2% Elastane No cotton. Cotton holds water, and wet feet are how you get blisters. Built for Ergonomic Y-heelA Y-shaped stitch encircles the heel, forming a contoured pocket that holds the sock in place. Seamless toeNo toe seam, so there's no seam sitting across the part of your foot that rubs. Padded heel & toeReinforced thread blend at the two highest-pressure zones — cushioning plus resistance to wear. Breathable mesh upperAn X-pattern mesh woven through the upper moves air and helps regulate temperature. Dynamic arch supportAn engineered arch band stabilises the sock inside your shoe so it doesn't shift as you move. 600% stretch legThe elasticated leg adapts to any calf width and stays where you put it. PolyLon36 yarnOur yarn blend, knitted for durability without the scratch — soft enough to wear all day. TruePrint colourDirect-to-garment printing keeps the colour vivid and fade-resistant wash after wash. Size guide UK EU US Small 1 – 3 32 – 36 1 – 4 Medium 4 – 7 37 – 41 5 – 8 Large 8 – 12 42 – 47 9 – 13 Washing & care Wash before first wear. Machine wash cold, or up to 40°C / 104°F. Do not iron or bleach. Tumble-dry friendly — these can handle the heat. Made responsibly. Produced in a solar-powered facility using water-based inks and recycled yarns.
