REI has the Canari TT Contoured Cycling Knee Warmers (black) for $14 with free in-store pickup or $6 shipping. For REI members, they're $14 - 20% off with coupon code MEM2013 [Exp 4/7] = $11 with free in-store pickup. Keeps your knee joints warm and loose while biking; good for weather that's too warm for pants but too cool for shorts. Found for $26+ everywhere else (originally $35).