Sun Mountain - Rainflex Pant 2009

Features:

elastic waist with cinch adjustments (flexible and adjustable)
zipper fly with snap and clasp closure
lower leg zippers (easy on/off) with full gussets (waterproof)
YKK waterproof zippers (proven to last, stretch-taped seams (waterproof and flexible)
full-length lining (added comfort)
waterproof side and back pockets
two-year waterproof guarantee