The Y Thermoball Traction Mule II combines lightweight, packable synthetic insulation with a grippy rubber outsole for easy slip-on warmth and reliable traction around camp or at home. Designed for quick on/off comfort, this mule keeps feet insulated even in damp conditions.

About the Product

Upper: 100% recycled PET ripstop fabric with durable water-repellent finish (non-PFC DWR)
Insulation: Thermoball Eco lightweight synthetic insulation — retains warmth when wet
Lining: Plush fleece (cozy interior)
Outsole: Full rubber outsole with a temperature‑sensitive compound for reliable grip in varying conditions
Entry: Elasticated side panels and rear pull loop for easy on/off
Materials: Textile upper and lining, rubber sole
Made In: Vietnam
Weight: Approximately 94 g per shoe (manufacturer specification)

Product Features

• Lightweight Thermoball Eco insulation mimics down warmth while remaining effective when damp.
• 100% recycled PET ripstop upper with DWR helps resist light moisture and prolongs wear.
• Plush fleece interior provides immediate comfort and cozy feel.
• Full rubber outsole with a cold‑flexing compound delivers traction and durability on wet and dry surfaces.
• Elasticated side panels and a rear pull loop allow quick slip‑on and secure fit.
• Packable, foldable construction makes storage and travel convenient.
• Textile construction and abrasion‑resistant rubber sole for everyday durability.