Mac in a Sac Origin 2 Overtrousers – Packable 10k Waterproof Rain Pants (Black, XXXL)

Overview

The Origin 2 Full Zip Overtrousers from Mac in a Sac deliver dependable rain protection without adding bulk. Part of the refreshed Packable Waterproof line, these rain pants balance weatherproofing with breathable comfort for days when showers may surprise you.

Weather-ready performance

Engineered to a 10,000mm waterproof rating with fully taped seams, they help you stay dry during walks, hikes, treks, or camping trips in wet conditions. Breathability sits at 8,000gsm, helping moisture escape so your legs stay comfortable even during steady movement.

• 10,000mm waterproof level with fully taped seams for reliable rain protection
• 8,000gsm breathability to reduce heat buildup
• 100% polyester fabric keeps the weight low while offering durability
• Full zip design for easy on/off over layers
• Reflective detailing enhances visibility in low light
• New colour options with a classic Black shade

Design and use

These overtrousers are designed as a lightweight, packable layer that folds neatly into a small space in your bag. They are well suited for walks, day hikes, treks, and camping trips where weather can shift quickly.

• Lightweight construction that travels easily
• Full-zip construction for quick adjustment on the move
• Reflective accents boost nighttime visibility without overpowering the look
• Durable polyester fabric built for outdoor use

Care and sizing

Available in Black in a XXXL size, designed to fit over mid-layer pieces. The 2020 refresh introduced refined branding and improved reflective detailing along with color updates for a smarter, more versatile look.

Pack them for journeys where weather protection, breathability, and compact storage matter. They do not guarantee outcomes in every condition, but they offer solid protection and practical comfort when conditions demand a dependable rain layer.