What are the Mc David Hexpad Forearm Guards (Pair)? A pair of super lightweight guards designed to protect the serious rugby player from forearm injuries. Sold in pairs. When can I use them? During rugby training & match play to protect the forearms against heavy knocks & minor injuries. What size are they? Measure around the elbow. If you are between sizes, please choose the larger size. Small 20-22cm (7¾"-8¾") Medium 22-26cm (8¾"-10¼") Large 28-30cm (11"-11¾") X-Large 33-35cm (13"-13¾") XX-Large 38-40cm (15"-15¾") How do they work? Mc Davids Hexpad™ is a super lightweight, breathable material that absorbs & dissipates impact, providing unmatched protection to your forearms at all times during rugby training or matches. The h Dc material used for the sleeves wicks away moisture from the skin, keeping your forearms cool, dry & comfortable. Sold in pairs.