100% Pure New Wool These Real wool Bed Fleeces have the unique ability to absorb perspiration, thus preventing the skin from becoming ‘clammy’. This allows the skin to breath more effectively; very important in pressure area care. Real wool is exothermic. Unlike polyester fleeces, wool can absorb up to 33% of its own weight in moisture without feeling damp (compared with polyester’s 5%) Wool will not feel cold even when damp. Real wool has a remarkable natural resilience: with the real Lamb’s wool high-density 1” deep pile this distributes pressure more evenly giving immediate comfort and relief. Real wool has a gentle touch that prevents friction burns from abrasive sheets. The Bed Fleeces are pre-treated to enable the real Lambs wool to be hot washable up to 161°F (71°C) and autoclaved. The Real Wool Bed Fleeces can be washed at these temperatures up to 50 times and still continue to give softness and comfort to patients.