Forty Below Purple Haze™ Overboots

Write A Review

The Forty Below® Purple Haze (tm) has been a favorite for over two decades now, being easy to put on in the cold, and fits trim to the boots and leg area.

Availability: In stock

Availability Information


* Required Fields


A favorite insulated boot cover choice for use on Denali, Himalayas, and Polar expeditions. It is a knee height, fully insulated overboot. This model of mountaineering boot cover is patterned to fit over double plastic mountaineering boots. It is a very unique overboot in that it can stretch to fit easily over a wide range of double shelled mountain boot models, and also the large volume “combi-boots” such as those from Millet, La Sportiva, etc.

• Fits over double shelled mountaineering boots.
• Completely stretchy to fit a wide range of boot models.
• Fit with a wide range of crampons styles.
• Stretchy and easy to put on in the cold.
• Easy to repair

Sizing for the Forty Below Purple Haze: Measure the sole of your double boot, and size according to the chart below. Please note that the overall volume of the boot may affect the fit to your boot. Be sure to test the overboot with your boots and any crampons to ensure fit and compatibility.

Overboot Size
Double Boot Sole Length (cm)
X Small
25.5 - 29.0
29.0 - 31.0
30.5 - 33.0
33.0 - 35.0
X Large
34.0 - 38.0


Weight 1lb 8 oz. (672g) per pair size Medium.

Customers Also Bought

Write A Review

Reviewing: Forty Below Purple Haze™ Overboots

Customer Reviews

This product has not been reviewed. You could write the first review.