The 3400 Southwest from Hyperlite Mountain Gear is a particularly lightweight, yet robust and waterrepellent backpack with taped seams and a double bottom made of Dyneema composite hybrid fabric. The Southwest 3400 holds almost 50 litres of luggage inside and a further 10 litres with external pockets and a sophisticated rolltop closure. Ropes, trekking poles and similar items can be attached to the lid strap or on the outside. The rucksack has removable aluminium rods, a padded back and a wide hip belt with two waterproof zipped pockets. On the outside, it has three pockets made of closed stretch fabric so that you won't get caught so easily. Size L. Back length 4853 cm.
The 3400 Southwest from Hyperlite Mountain Gear is a particularly lightweight, yet robust and waterrepellent backpack with taped seams and a double bottom made of Dyneema composite hybrid fabric. The Southwest 3400 holds almost 50 litres of luggage inside and a further 10 litres with external pockets and a sophisticated rolltop closure. Ropes, trekking poles and similar items can be attached to the lid strap or on the outside. The rucksack has removable aluminium rods, a padded back and a wide hip belt with two waterproof zipped pockets. On the outside, it has three pockets made of closed stretch fabric so that you won't get caught so easily. Size L. Back length 4853 cm.
in 2 offers
The lowest price for Hyperlite Mountain Gear 3400 Southwest Pack (55L) White / Large right now is $579.95 at Adventure Base.
The all-time low was $530.96 on 22 May 2025 â today's price is 9% above the lowest ever. That's a little above the best price we've seen.
Prices last updated 4 Oct 2026.
Hyperlite Mountain Gear 3400 Southwest Pack (55L) White / Large
The 3400 Southwest from Hyperlite Mountain Gear is a particularly lightweight, yet robust and waterrepellent backpack with taped seams and a double bottom made of Dyneema composite hybrid fabric. The Southwest 3400 holds almost 50 litres of luggage inside and a further 10 litres with external pockets and a sophisticated rolltop closure. Ropes, trekking poles and similar items can be attached to the lid strap or on the outside. The rucksack has removable aluminium rods, a padded back and a wide hip belt with two waterproof zipped pockets. On the outside, it has three pockets made of closed stretch fabric so that you won't get caught so easily. Size L. Back length 4853 cm.
The 3400 Southwest from Hyperlite Mountain Gear is a particularly lightweight, yet robust and waterrepellent backpack with taped seams and a double bottom made of Dyneema composite hybrid fabric. The Southwest 3400 holds almost 50 litres of luggage inside and a further 10 litres with external pockets and a sophisticated rolltop closure. Ropes, trekking poles and similar items can be attached to the lid strap or on the outside. The rucksack has removable aluminium rods, a padded back and a wide hip belt with two waterproof zipped pockets. On the outside, it has three pockets made of closed stretch fabric so that you won't get caught so easily. Size L. Back length 4853 cm.
Last updated at 04/10/2026 20:38:05
HYPERLITE MOUNTAIN GEAR SOUTHWEST 55L
Free delivery between Tue â Fri
| Capacity | 55 L |
| Height | 86.4 cm (Fully Unrolled) |
| Width | Wider by perhaps 1â4 or 1â3 of an inch (shoulder straps), Wider by a small but noticeable margin (shoulder straps) |
| Weight | 1 lb. 15.1 oz. (medium) |
| Closure Type | Roll Top |
HYPERLITE MOUNTAIN GEAR SOUTHWEST 55L
Free delivery between Tue â Fri
| Capacity | 55 L |
| Height | 86.4 cm (Fully Unrolled) |
| Width | Wider by perhaps 1â4 or 1â3 of an inch (shoulder straps), Wider by a small but noticeable margin (shoulder straps) |
| Weight | 1 lb. 15.1 oz. (medium) |
| Closure Type | Roll Top |
