Adventure Medical Kits Ultralight/Watertight .5 Medical Kit Review
Brand: Adventure Medical Kits · Category: accessory · Price: $30 - $32
Buy this if you want an ultralight, truly waterproof first-aid kit for 1–2 day solo or two-person trips — skip it if you need meds for allergies/diarrhea, plan longer trips, or want gear for major trauma. The Adventure Medical Kits Ultralight/Watertight .5 is about 3.6 oz (under 4 oz is ultralight territory) and uses 2-stage waterproofing: a DryFlex 100% waterproof inner bag plus a DWR-treated outer bag that sheds rain; it keeps bandages and dressings dry but is deliberately minimalist (aspirin only, limited tape, no SAM splint or CPR mask).
Specs
| Weight | 3 oz 10 oz |
|---|---|
| Capacity | 1-2 people, 1-2 days |
| Features | 2-stage waterproofing, wound care (bandages, gauze, dressings, antiseptic wipes, butterfly closures, moleskin), pain relief (aspirin), splinter/tick forceps, extra storage space |
| Materials | DryFlex waterproof inner bag, water-resistant outer bag with DWR finish |
| Dimensions | 9 x 5.5 x 1.5 in |
Strengths
- Extremely lightweight at under 4 oz, ideal for ultralight backpacking
- True 2-stage waterproofing with DryFlex inner bag keeps contents dry in rain, snow, or water
- Compact size fits easily in packs for multi-sport use like hiking, kayaking, biking
- Comprehensive essentials for common injuries: wounds, blisters, pain, splinters/ticks
- Durable construction designed for adventure racing and harsh conditions
- Extra room for personal meds or additions
- Hospital-quality supplies in a minimalist package
Complaints
- Limited quantity of supplies may not suffice for groups larger than 2 or trips over 2 days
- No medications for allergies, antacids, or antidiarrheal in base kit (users add their own)
- Aspirin only pain reliever; no ibuprofen or acetaminophen
- Forceps can be fiddly for small splinters in low light
- Outer bag DWR may wear over time with heavy abrasion
- No CPR mask or SAM splint for serious trauma
- Tape quantity low (some listings note 1/2" x 10 yards, but not always listed)
Who Should Buy This
This is for ultralight backpackers, multi-sport athletes (hiking, kayaking, mountain biking, skiing), and adventure racers who need a compact, waterproof kit for short outings — it was originally built with racing and wet-sport versatility in mind. The kit’s unique differentiators are the DryFlex inner bag for true waterproofing, pre-shaped moleskin, and inclusion of tick forceps, plus the update to three knuckle bandages and 3x3 dressings in recent versions. Skip this if you regularly travel with larger groups, plan multi-day trips without resupply, or require built-in allergy/anti-diarrheal meds and heavier trauma gear. If you want watertight protection in a minimalist package and are willing to add a few personal meds, this is one of the best compact options available.
Weight & Packability
At roughly 3.6 oz this kit lives in true ultralight range — you’ll hardly notice the weight even on short overnights, and it’s a small trade-off for having waterproof protection. The flat, compact footprint (9 x 5.5 x 1.5 in) fits easily in hip-belt pockets, small daypacks, or strapped to a kayak deck. The design packs flat so it doesn’t create a lumpy bulge; there’s an extra zip pocket for personal meds or supplies you add. That said, adding a handful of extra pills and tape will quickly eat into the space and add a few ounces, so plan your additions conservatively.
Value & How It Compares
Price sits in the low-$30 range at retailers like REI and manufacturer sites, and it often appears in 10–20% sales — you’re paying a premium for reliable waterproofing and race-grade durability. Compared to the Gossamer Gear First Aid Kit (about 2.3 oz), the AMK .5 is slightly heavier but offers better waterproofing, more bandages, and included forceps; the Gossamer is lighter if absolute ounces are king. Versus the MyFAK Mini (around 2.8 oz), AMK is typically cheaper and wins on DryFlex waterproofing and moleskin, while MyFAK scores higher on included meds like ibuprofen and Benadryl. The REI Co-op Mini First Aid is cheaper and a bit bulkier — AMK is lighter and holds up better in wet conditions, which matters if you kayak, ski, or race.
Durability & Construction
Built with adventure racing in mind, the kit uses rugged materials and a compact, flat-pack layout so it tolerates hard use without bulk. The DryFlex inner bag is purpose-built to survive immersion, and reviewers report it holds up through river crossings and heavy rain. The outer bag’s DWR and exterior fabric are lighter-duty by design, so frequent abrasion (think rubbing on a harness or rough kayak deck) will wear the DWR over time. Hospital-quality items are packed into a minimalist shell — you get durable dressings and moleskin, but the design intentionally omits heavier trauma gear to keep the weight under ~4 oz.
Limitations & What To Add
This kit deliberately sacrifices breadth for weight: no SAM splint, no CPR mask, and only aspirin for pain relief — that’s fine for cuts, blisters, ticks, and basic bleeding control but not for major trauma or medical conditions. If you’re heading out with others, going beyond two days, or have allergy/intestinal medication needs, plan to add ibuprofen/acetaminophen, an antihistamine (Benadryl), antidiarrheal, and extra tape or a small roll of more robust adhesive. A compact SAM splint and a CPR mask are reasonable additions if weight allows and your trips involve remote terrain. Remember each added item increases both weight and volume, so prioritize what’s likely for your activities.
Contents & Medical Coverage
This .5 edition is curated for the common problems you’ll see on short, active outings: bandages, gauze, 3x3 dressings (the kit now includes 3x3 dressings), antiseptic wipes, pre-shaped moleskin for blisters, butterfly closures, splinter/tick forceps, and a small amount of tape. It’s rated for 1–2 people for 1–2 days — that means it has enough supplies for basic wound care and blisters for a pair on a weekend, not for a multi-day group. The kit includes aspirin for pain relief; it does not include ibuprofen, acetaminophen, antihistamines, or antidiarrheal meds, so you’ll want to add personal medications like Benadryl or ibuprofen if you need them. Note the forceps are handy for ticks but can be fiddly for tiny splinters in low light, and tape quantity is minimal for wrapping sprains.
Waterproofing & Weather Protection
The kit’s signature is true 2-stage waterproofing: a DryFlex inner bag that is 100% waterproof (so contents survive river crossings or heavy rain) plus a water-resistant outer bag with a DWR finish that repels splashes and allows you to carry it externally. “DWR” means durable water repellent, which sheds water but can wear off with abrasion; users report the outer DWR fading after a season or two, but the DryFlex inner bag continues to keep things dry. Because the inner bag is fully sealed, you can mount the kit on a pack exterior for quick access during wet activities. There have been rare reports of zipper issues after repeated submersion, but even in those cases the DryFlex inner bag kept supplies dry.