High loft proprietary edition Power Stretch has super snuggleliscious interior, smooth knit outer face fabric and is packed with warmth. Use for fast forward winter sports, as a base layer for expedition climbing or by themselves for cool weather climbing and aerobic workouts. RHO TOP features a tapered cut, 6 panel construction, 8" collar zipper, laminated chest pocket and climber length sleeves. RHO BOTTOMS are sewn with “on crease” flat constructed seams and low profile elastic and drawstring waist and sport a low profile laminated thigh pocket for your secret stash. Optional reverse “thru the crotch zip” available for winter & expedition climbers - please specify at time of order.