Our Active Base Layer Top is made from four way stretch breathable materials it breaths out moisture while keeping you dry. With added mesh panels to keep you cool and comfortable with the demands of everyday riding, the subtle Dark Horse branding completes the look. Dark Horse Branding Four-way stretch fabric Active fit. Quick Dry Zip neck Bound cuffs with thumbholes. Size chart below Size UK X Small 8 Small 10 Medium 12 Large 14 X Large 16