Rab Ultrasphere 45 Option:Regular these pants feature a lightweight

these pants feature a lightweight yet ultra-durable 3-layer GORE-TEX ePE Pro shell made from 100% recycled nylon with a rugged ripstop backer

while the stitch-through baffle back and ground-level side seams enhance durability and comfort

while reflective details support early alpine starts

Weighing just 314 grams

5 baffle anatomically shaped low weight hood with excellent insulation and dual tether draw cords

Rab Ultrasphere 45 Option:Regular these pants feature a lightweightRab's TILT heat reflective technology which bumps up the warmth while adding a negligible amount of weight. The Ultrasphere 4. 5 is designed to be used in conjunction with Rab's Mythic Ultra 120 Modular sleeping bag, but is actually a great, superlight and warm mat on its own. Inside the Ultrasphere 4. 5 is two layers of Rab's TILT reflective film which reduces radiant heat loss without adding weight or bulk and does not rustle at all like other heat