---
product_id: 733703988
title: "Mountainsmith Day Lumbar Waist Pack for Running Hiking Cycling Travel Outdoor Sports Activities with Dual Water Bottle Holder, Grey Black, One Size"
brand: "mountainsmith"
price: "$421.65"
currency: USD
in_stock: true
category: "Mountainsmith"
url: https://www.desertcart.us/products/733703988-mountainsmith-day-lumbar-waist-pack-for-running-hiking-cycling-travel
store_origin: US
region: United States of America
---

# Holds up to 32oz water bottles Fits plus-size smartphones Lightweight at 1 lb 15 oz Mountainsmith Day Lumbar Waist Pack for Running Hiking Cycling Travel Outdoor Sports Activities with Dual Water Bottle Holder, Grey Black, One Size

**Brand:** mountainsmith
**Price:** $421.65
**Availability:** ✅ In Stock

## Summary

> 🎒 Elevate your adventure game with the ultimate hands-free pack!

## Quick Answers

- **What is this?** Mountainsmith Day Lumbar Waist Pack for Running Hiking Cycling Travel Outdoor Sports Activities with Dual Water Bottle Holder, Grey Black, One Size by mountainsmith
- **How much does it cost?** $421.65 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/733703988-mountainsmith-day-lumbar-waist-pack-for-running-hiking-cycling-travel)

## Best For

- mountainsmith enthusiasts

## Why This Product

- Trusted mountainsmith brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Tech-Ready Storage:** Padded internal sleeve protects your tablet while dedicated pockets fit plus-size smartphones and valuables.
- • **Hydration On-The-Go:** Dual reinforced side pockets securely hold up to 1L water bottles, so you never miss a sip.
- • **Versatile Carry Options:** Switch between waist pack, crossbody, or shoulder strap (sold separately) for style and convenience.
- • **Built to Endure Adventures:** Crafted from ultra-durable ripstop nylon with a lifetime warranty—your trusted companion for decades.
- • **Effortless All-Day Comfort:** FreeFlow ribbed EVA back panel padding and adjustable waist belt (28"-48") keep you moving without strain.

## Overview

The Mountainsmith Day Lumbar Waist Pack is a lightweight, water-resistant, and ultra-durable outdoor companion designed for running, hiking, cycling, and travel. Featuring dual water bottle holders, a padded tablet sleeve, and multiple secure pockets, it offers versatile carry options and ergonomic comfort with adjustable straps and EVA back padding. Backed by a lifetime warranty, this pack blends 40+ years of trusted design with modern functionality to keep you prepared and stylish on every journey.

## Description

This lumbar pack started in the 80's in style. Daypacks continue to live in modern incarnations as a favorite of hikers and outdoorsmen travelers. This versatile pack tends to be cherished in every outdoor enthusiast gear closet. However, as long as you use it every day as a hiking pack, disc golf bag, messenger bag, office briefcase, carry-on travel solution, diaper bag, etc. Made from ultra-durable ripstop nylon fabric, the Day Lumbar Pack is an outdoor security blanket for miles of adventures around the world. The design celebrates over 40 years of history of this waist pack and has not changed much but modern features make this version the best ever. This product has been found to be used for almost any application, including a 3-day backpacking trip on Sierra. Where will this fanny pack take you? To bring peace of mind to your backcountry investment, Mountainsmith offers a lifetime warranty on their products. If you have a daypack in your life, you already know how useful it is. If not, what are you waiting for?

## Features

- Feature first: waist waist and fanny pack travel bag for all accessories. 1 lb 15 oz empty weight, 13" x 12" x 6", perfect weight for carrying up to 15 lbs
- Storage: Internal foam padded sleeve for carrying your tablet Waist belt pocket for smartphone or iPhone (fits plus size phone) Reinforced side water bottle pocket (holds up to 32oz/1L) Interior Sanctrum interior zipper compartment holds small valuables and essentials
- Practical: tuckaway waist belt with front pull adjustable webbing Front compression attachment system Crossbody fanny pack carry with removable shoulder strap for crossbody bag carry option Strap compatible (sold separately)
- COMFORT: Great travel pack with FreeFlow ribbed EVA back panel padding. Hidden back panel pocket is ideal for securing passports, boarding passes, etc. Patented Delta compression system load adjustment Waist belt fits 28"-48"
- FORGED FOR A LIFETIME: All Mountainsmith packs and gear are known for quality and built to last. One of the industry's first lumbar packs, The Day is known for its function-driven design

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0BR8JPVS1 |
| Amazon Bestseller | #222,749 in Clothing, Shoes & Jewelry ( See Top 100 in Clothing, Shoes & Jewelry ) #548 in Fashion Waist Packs |
| Brand Name | Mountainsmith |
| Closure Type | Zipper |
| Color | gray black |
| Customer Reviews | 4.4 4.4 out of 5 stars (290) |
| Item Dimensions L x W x H | 33L x 15.2W x 30.5H cm |
| Item Type Name | Luggage- Carry-On Luggage |
| Item Weight | 4 Ounces |
| Manufacturer | Mountainsmith |
| Manufacturer Part Number | 23-10020-01 |
| Material Type | Nylon |
| Model Number | 23-10020-01 |
| Number Of Pockets | 3 |
| Product Care Instructions | Hand Wash Only |
| Size | One size |
| Strap Length | 48 Inches |
| UPC | 757894332495 |
| Unit Count | 1 Count |
| Water Resistance Level | Water Resistant |

## Images

![Mountainsmith Day Lumbar Waist Pack for Running Hiking Cycling Travel Outdoor Sports Activities with Dual Water Bottle Holder, Grey Black, One Size - Image 1](https://m.media-amazon.com/images/I/51uHKVImjIL.jpg)
![Mountainsmith Day Lumbar Waist Pack for Running Hiking Cycling Travel Outdoor Sports Activities with Dual Water Bottle Holder, Grey Black, One Size - Image 2](https://m.media-amazon.com/images/I/519C6A0g7KL.jpg)
![Mountainsmith Day Lumbar Waist Pack for Running Hiking Cycling Travel Outdoor Sports Activities with Dual Water Bottle Holder, Grey Black, One Size - Image 3](https://m.media-amazon.com/images/I/61Baj9G4l8L.jpg)
![Mountainsmith Day Lumbar Waist Pack for Running Hiking Cycling Travel Outdoor Sports Activities with Dual Water Bottle Holder, Grey Black, One Size - Image 4](https://m.media-amazon.com/images/I/51O0+ZpIB5L.jpg)
![Mountainsmith Day Lumbar Waist Pack for Running Hiking Cycling Travel Outdoor Sports Activities with Dual Water Bottle Holder, Grey Black, One Size - Image 5](https://m.media-amazon.com/images/I/51xr8uJqQeL.jpg)

## Available Options

This product comes in different **Color** options.

## Frequently Bought Together

- Mountainsmith Day Lumbar Waist pack, Running, Hiking, Cycling, Travel, and Outdoor Sport Activities with Dual Water Bottle Holders, Grey Black
- Mountainsmith Strapette, Black
- Mountainsmith Lumbar Pack Rain Cover

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-07-23*