Quick dry treatment performance fabric with fast wicking moisture control keeps skin cool & comfortable Breathable Extremely lightweight Comfort fit Elasticated waist band and draw cord Flat lock stitch side seams Contour fit panels with contrast stitch down leg Micro soft athletic stretch fabric Reflective SPIRO print logo left thigh position with 6 dots bottom back right leg position Key pocket inside back centre position Ideal layer garment for warm up Also available in Ladies S250F