What are Mc David h Dc Deluxe Compression Pants? Ultra comfortable compression leggings to improve circulation & lymphatic drainage in the legs during & after sport. When can I use them? During & after exercise to assist lymphatic flow & circulation. Following injury to promote healing & disperse swelling. Which size do I need? Measure around the waist. If you are between sizes, please choose the larger size. Small 70-80cm (27.6-31.5) Medium 80-85cm (31.5-33.5) Large 85-95cm (33.5-37.5) X-Large 95-105cm (37.5-41.5) XX-Large 105cm+ (41.5+) How do they work? Compression pants help recovery following injury & sporting exertion, by improving circulation & lymphatic flow. The graded compression helps to disperse waste products from muscles & improves blood flow. These compression garments are lightweight, breathable & they conform to the body. Mc Davids h Dc moisture management technology allows perspiration to be wicked away from the skin; then the breathable fabric allows ventilation to evaporate any moisture. This means you stay warm & dry in cold winter conditions & you stay cool & dry in hot summer conditions.