













- Stock: In Stock 1-3 days
- Brand: MAC IN A SAC
- CODE: TC-0011018
This offer ends in:
Available Options
Description
Men's Waterproof Trousers - Mac in a Sac Venture Ultralite
Mac in a Sac Venture Ultralite men's lightweight waterproof trousers. Vaporlite fabric, 8,000mm waterproof rating, 16,000g/m² breathability & an ultra-lightweight 195g design
When trail running, mountain running races, hiking, trekking and fast-paced outdoor excursions require protection from rain, minimal weight and maximum freedom of movement —whether for mountain runners and athletes who count every gram of equipment, or for outdoor enthusiasts looking for an exceptionally lightweight and packable waterproof pair of trousers— the Mac in a Sac Venture Ultralite men's waterproof trousers offer the ultimate solution.
Designed to deliver outstanding performance without compromise, they are made from innovative, exceptionally lightweight and stretchy Vaporlite fabric (90% Polyester / 10% Spandex) with a 2.5-layer construction. They offer excellent stretch and adapt perfectly to the demands of intense movement, allowing you to move quickly and comfortably along challenging trails. They provide a high waterproof rating of 8,000 mm, with fully heat-sealed seams to keep you dry during sudden downpours, while also offering windproof protection.
With impressive breathability of 16,000 g/m² / 24h, they rapidly release perspiration during intense physical activity. In addition, they feature articulated knees for unrestricted strides, a comfortable elasticated waistband, reflective details for visibility and safety in low-light conditions, and a dedicated elastic storage loop for compact packing in your backpack. Weighing just 195 grams (size M), these are the essential waterproof trousers you can always carry with you!
Recommended Uses & Applications
- Mountain Running & Trail Running: Minimal weight (195g) and excellent breathability for mountain races and training sessions.
- Hiking & Fast-Paced Trekking: Reliable waterproof protection and wind resistance in changing weather conditions.
- Everyday Outdoor Use: Exceptionally packable, with an elastic storage loop for easy transport in your backpack.
Key Features
- Vaporlite Fabric (2.5-Layer Construction): Made from 90% polyester and 10% Spandex for stretch, durability and low weight.
- High Waterproof Rating (8,000 mm): Fully heat-sealed seams prevent water penetration.
- Excellent Breathability (16,000 g/m²): Helps keep your body dry from perspiration, even during high-intensity activities.
- Freedom of Movement & Articulated Knees: Specially shaped construction for a natural stride while running.
- Ultralightweight (195g): Minimal bulk and weight, with an elastic storage loop for easy folding and packing.
- Reflective Details & Elasticated Waistband: Improved visibility during night running and a secure, comfortable fit around the waist.
Technical Specifications
| Brand / Manufacturer | Mac in a Sac |
| Model | Venture Ultralite Mens Waterproof Trousers |
| Product Type | Men's Waterproof & Windproof Trail Running / Outdoor Trousers |
| Material Composition | Vaporlite Fabric (90% Polyester / 10% Spandex) - 2.5 Layers |
| Waterproof Rating | 8,000 mm H2O (Fully heat-sealed seams) |
| Breathability Rating | 16,000 g/m² / 24h (gsm) |
| Product Weight | 195 g (Size Medium) |
| Available Sizes | XS, S, M, L, XL, XXL |
| Design Features | Articulated knees, Elasticated waistband, Elastic storage loop, Reflective details |
| Package Contents | 1x Mac in a Sac Venture Ultralite Men's Waterproof Trousers |
Usage & Care Instructions
- Washing: Hand wash or machine wash at 30°C on a gentle cycle, using a specialist liquid detergent for technical waterproof garments. Do not use fabric softener or bleach.
- Drying: Allow to air dry in a shaded, well-ventilated area. Avoid tumble drying and direct exposure to sunlight.
- Storage: Once completely dry, fold the trousers using the elastic storage loop and place them in your backpack.
Frequently Asked Questions (FAQ)
Are the Mac in a Sac Venture Ultralite trousers suitable for trail running races?
Absolutely! Thanks to their ultralight weight of 195 grams, high breathability of 16,000 g/m² and the stretch of Vaporlite fabric, they meet the technical requirements of mandatory equipment for mountain races.
How waterproof are these trousers?
They feature a waterproof rating of 8,000 mm and fully heat-sealed seams, providing effective protection against rain, spray and moisture in mountainous environments.
How can I store the trousers when not in use?
They feature an integrated elastic storage loop that allows you to fold them into a very compact size, taking up minimal space in your running belt or backpack.
Do they restrict movement while running?
No. The addition of 10% Spandex to the fabric, combined with the articulated knees, ensures full freedom of movement and a natural stride without pulling across the thighs.
Trail Running & Outdoor Tip
When preparing for mountain races or training sessions in unsettled weather, fold your Mac in a Sac Venture Ultralite trousers using the elastic storage loop and place them in the front pocket of your running vest! At just 195g, they provide immediate access to waterproof protection when rain starts along the ridge, without costing you a second!
Need advice on choosing the right size or support with your running equipment? We are always at your disposal. Call us: +30 28210 87 733.















