PrimaLoft® Black Eco insulation (60g)

8% Spandex

We redefined a sock for the backcountry in key technical areas:

Reflective details - Visibility for enhanced nighttime and early-morning reflective brightness

On Men's Cloudsurfer Next - Sailor/Iceberg Size:8.5 PrimaLoft® Black Eco insulation (60g)Made for everyday runs. The CloudTec Phase cushioning system offers a smooth ride, while Helion foam delivers a soft, responsive feel. Features: Cushioning: Mid Road Running Style: Neutral Lacing: Standard Heel To Toe Drop: 6 mm Weight: 273g CloudTec Phase cushioning system engineered for smooth runs Helion foam optimized for softness Agile forefoot rocker for a more propulsive toe off Lightweight woven upper inspired by race day shoes Easy step in