#9 on this list
Notion
Black Diamond
The Black Diamond Notion is a staple in the climbing world, cherished for its comfortable feel and laid-back utility across gym sessions, boulder problems, and casual outdoor days. Made from a soft 98% organic cotton twill woven with 2% elastane, the Notion feels like a favorite pair of sweatpants while retaining the structural cut needed for active climbing. It provides plenty of warmth during crisp morning warm-ups at the boulders. The pant features an elastic waistband with an exterior drawstring, reinforced knees for extra longevity during pad drops and kneebars, and elastic cuffs that grip the lower shins. The cinched cuffs are a major asset, keeping the bottom hems out of the way of your shoes and ensuring you never lose track of a delicate foothold. The articulated fit accommodates full splits and deep drop-knees effortlessly. Weighing 11.4 ounces, the Notion is firmly rooted in the casual-to-moderate climbing spectrum. The organic cotton construction holds moisture when wet and lacks the wind-blocking capabilities of synthetic technical fabrics, ruling it out for alpine use. The 2% elastane also tends to bag out slightly after days of continuous wear before snapping back in the wash. For gym-to-crag crossover, however, its comfort remains legendary. **Highlights** - Soft 98% organic cotton twill with 2% elastane stretch - Reinforced knee patches add life during kneebars and scuffs - Elasticized waistband with soft drawstring for easy fit adjustment - Gathered elastic cuffs prevent fabric from covering climbing shoes - Rear slip pockets and deep front hand pockets **Watch-outs** - Cotton holds moisture and provides zero weather resistance - Fabric can bag out slightly between wash cycles
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#10 on this list
Crag Climbing Pants
Mammut
The Mammut Crag Climbing Pants are robust, cotton-dominant trousers built to withstand the demands of heavy bouldering sessions and outdoor cragging. Engineered with 97% organic cotton and 3% spandex, the fabric delivers the natural, dependable hand of classic workwear alongside enough dynamic stretch to navigate wide stems and mantle top-outs. The material is thick enough to protect your skin from sharp stone without feeling overly rigid. Mammut shaped these pants with climbing movement front and center. A diamond-gusseted crotch and tailored knee articulation prevent the fabric from binding when you step high. The waistband incorporates a flat drawcord closure designed to prevent bunching beneath a harness, while the cuffs feature internal drawstrings that let you cinch the pant tightly above your ankle, ensuring total precision on micro-edges. At 11.4 ounces, the Crag Pant carries a standard weight for cotton cragging trousers. Because of the heavy cotton weave, these are best suited for dry, cool-to-mild climbing conditions; they do not dry quickly when wet and will feel warm during hot summer afternoons in direct sun. But for fall bouldering trips and gritty limestone sport crags, they provide tough, reliable performance. **Highlights** - Sturdy 97% organic cotton construction with 3% spandex stretch - Gusseted crotch and pre-shaped knee tailoring for clean range of motion - Low-profile waistband adjustment that sits comfortably flat - Integrated ankle drawcords to pull cuffs out of your climbing view - Tough face fabric resists scuffs on coarse rock **Watch-outs** - Dries slowly and absorbs sweat on humid, warm-weather days - Heavier and less compressible than pure synthetic options
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Specs side by side
| Spec | Notion | Crag Climbing Pants |
|---|---|---|
| Fabric Blend | 98% organic cotton, 2% elastane | — |
| Stated Weight | 11.4 oz | — |
| Waist Style | Elastic with external drawstring | — |
| Leg Opening | Gathered elastic cuffs | — |
| Knee Design | Reinforced knee overlays | — |
| Best Environment | Bouldering, climbing gyms, dry crags | — |
| Material | — | 97% organic cotton, 3% spandex |
| Weight | — | 11.4 oz |
| Fit | — | Regular fit with climbing articulation |
| Leg Hem | — | Adjustable internal drawcord |
| Waist Closure | — | Flat low-profile button and drawcord |
| Primary Season | — | Spring and autumn |
What our reviewers liked and didn't
Notion
- Soft organic cotton twill provides exceptional next-to-skin comfort
- Elastic ankle cuffs keep lower hems clear of footwork and shoes
- Reinforced knee overlays improve durability during kneebars and scuffs
- Flat, elastic drawstring waist integrates smoothly under a harness
- Cotton fabric absorbs moisture and lacks weather resistance
- Fabric tends to stretch and bag out between wash cycles
- Pockets lack zippers to secure small valuables during movement
Crag Climbing Pants
- Tough organic cotton fabric withstands heavy abrasion on rough stone
- Articulated knees and gusseted crotch ensure unrestricted climbing mobility
- Flat waistband profile sits comfortably beneath a climbing harness
- Ankle cinches quickly adjust cuffs to keep footholds clearly visible
- Heavy cotton weave absorbs moisture and dries very slowly
- Too warm and stifling for mid-summer or high-humidity climbing
- Limited stretch compared to full-synthetic technical mountain pants
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