[ak] Helium Power Grid Base Layer Crewneck Top 2022 Size:X-Small At a 15K waterproofing rating

At a 15K waterproofing rating and a 10k breathable rating

making lens changing easy

Rope drawcord

From rain to snow this range has 900D coated ripstop outer material with external YKK weatherproof zippers

Inseam pockets

[ak] Helium Power Grid Base Layer Crewneck Top 2022 Size:X-Small At a 15K waterproofing ratingMidweight warmth backed by Polartec Power Grid that maximizes the breathability and sweat wicking power of your layering program. Take a hike (to the summit) and don't look back until you have to look down. The men's Burton [ak] Helium Power Grid Base Layer Crewneck Top is made with sweat wicking fabric to help you stay cool while you work. Polartec Power Grid fleece keeps it super light and breathable, and keeps out the cold like you need it to. A