Raynaud's phenomenon is a condition where small blood vessels in the fingers and toes suddenly narrow in response to cold or stress. This causes the classic color changes: white (reduced blood flow), Buy Maximum Safety 120 4400 Gunner AV Synthetic Leather Palm With Anti Vibration Pads And PVC Grip Wrist Strap [1 Pair] Heyden Supply Mechanix Wear X Large Black And Gray M Pact Full Finger Synthetic Leather Anti Vibration Gloves With Hook And Loop Cuff, PORON XRD Palm Padded And Rubberized Grip On Thumb, Index Finger And Palm Diamond Star Anal Beads Anal Beads Your Pleasure Toys Huge Suction Cup Plug Love Plugs