Cape Verde in August

Merino or synthetic. Cotton holds the sweat and you'll smell it by day two.

SimondSIMOND Women's Travel 500 Merino Wool T-Shirt$49.99Shop at Decathlon →KiprunKiprun Men's Run 500 Dry Running T-shirt$20 was $24.99Shop at Decathlon →ForclazSimond Women's Merino Resist Long-Sleeve T-Shirt$45 was $69.99Shop at Decathlon →CoalatreeQuick Dry Short-Sleeve T-Shirt - Unisex$34.30 was $49Shop at Backcountry →

Look for UPF 50 on the tag. Check the tag says UPF 50. A plain cotton shirt is closer to UPF 5, and less once it's wet.

Topo DesignsTopo Designs Sun Hoodie - Women's$74.25 was $99Shop at Backcountry →The North FaceThe North Face Adventure Sun Hoodie - Women's$48.75 was $65Shop at Backcountry →Outdoor ResearchOutdoor Research Astroman Full-Zip Sun Hoodie - Men's$94.50 was $135Shop at Backcountry →Royal RobbinsRoyal Robbins Salathe Sun Long-Sleeve Hoodie - Men's$120Shop at Backcountry →

A wind jacket isn't a rain jacket. It packs to the size of your fist and stops the wind, but steady rain gets through.

CotopaxiVuelta Performance Windbreaker Jacket - Women's$65 was $130Shop at Cotopaxi →ForclazForclaz Men's MT500 Windbreaker Jacket$69.99Shop at Decathlon →Helly HansenHelly Hansen Ridge Infinity Shell Jacket - Men's$293 was $650Shop at Backcountry →Helly HansenHelly Hansen Odin BC Infinity Shell Jacket - Women's$228 was $650Shop at Backcountry →

One pair for every two days, plus two.

SmartwoolEveryday Merino Bikini Underwear - Women's$34Shop at Backcountry →SmartwoolEveryday Merino Thong Underwear - Women's$34Shop at Backcountry →REI Co-opREI Co-op Women's Merino Hipster Underwear$29.95Shop at REI →SimondSimond Trek 500 Merino Wool Backpacking Underwear Women's$29.99Shop at Decathlon →

Bring the pair you already walk ten miles in. Brand new shoes on day one is how the blisters start.

NnormalKjerag Shoe$109 was $140Shop at Backcountry →SaolaQuito Shoe - Men's$130Shop at Backcountry →SaolaEzo Shoe - Men's$83.96 was $120Shop at Backcountry →ScarpaMojito Bio Shoe$59.68 was $199Shop at Backcountry →

Get a heel strap. Slides come off on anything steeper than a sidewalk.

KEENKEEN Women's Bali Strap TG Sandals$69.73 was $110Shop at REI →TevaTeva Women's Outflow Closed-Toe Water Sandals$74.73 was $100Shop at REI →ReefReef Water Vista Higher Sandal - Women's$80Shop at Backcountry →ForclazForclaz MT500 Lightweight Packable Hiking Sandals$40 was $59.99Shop at Decathlon →

Polarized kills glare, but the tag has to say 100% UV separately, and that's the part your eyes need.

CostaCosta Caleta Net 580G Polarized Sunglasses - Women's$174 was $248Shop at Backcountry →SmithSmith Cheetah Polarized Sunglasses - Women's$93 was $155Shop at Backcountry →Ray-BanRay-Ban Wayfarer Oval Polarized Sunglasses - Women's$171 was $244Shop at Backcountry →KnockaroundKnockaround Junipers Polarized Sunglasses - Women's$17.50 was $35Shop at Backcountry →

Get a brim of three inches or more. It covers your neck and ears, which a cap never does.

PistilPistil Women's Tegan Wide Brim Hat$39.73 was $68Shop at REI →BrixtonBrixton Mitch Packable Sun Hat Tan, L/XL$48.95Shop at Backcountry →ForclazForclaz MT500 UPF 50+ Hiking Hat$20 was $29.99Shop at Decathlon →Wild RyeEdith Brim Hat$32 was $40Shop at Wild Rye →

10,000mAh is about two phone charges, 5,000 barely gets you through one long day.

Top pickGoal ZeroGoal Zero Venture 75 Power Bank$120Shop at REI →BioLiteBioLite Charge 80 PD Power Bank$99.95Shop at REI →AnkerAnker Zolo Power Bank (20,000 mAh, 22.5W, Built-In USB-C Cable)$40Shop at REI →AnkerAnker MagGo Power Bank (10,000 mAh, Slim)$80Shop at REI →

REI members usually get 10% back on full-price gear. Membership is $30, once. How it works

65W or more charges a laptop. Anything smaller only keeps up with phones.

Peak DesignPeak Design 65W Dual Slim Charger$64.95Shop at REI →Peak DesignDual Slim Charger$64.95Shop at Peak Design →AnkerAnker Wall Charger (33W, 2-Port) with USB-C to USB-C Cable$25Shop at REI →AnkerAnker MagGo Wireless Charging Station (3-in-1, Foldable Pad) with Charger and USB-C Cable$100Shop at REI →

Cape Verde uses Type C or F, and an adapter changes the shape, not the voltage.

Top pickMatadorGlobal Travel AdapterSee price15% off with CHRISANDSARAShop at Matador →Eagle CreekGlobal Travel Adapter USB 30W$4015% off with CHRISANDSARAShop at Eagle Creek →Eagle CreekGlobal Travel Adapter Micro$25Shop at Backcountry →Eagle CreekGlobal Travel Adapter 45W$6915% off with CHRISANDSARAShop at Eagle Creek →

Pick one that keeps no logs, and install it before you leave. Some countries block the download.

35 to 45 liters fits most cabins. Check your airline's size limit first. Most won't take much over 40L in the cabin.

Top pickMatadorMatador 45L Global Travel PackSee price15% off with CHRISANDSARAShop at Matador →MatadorMatador GloberiderSee price15% off with CHRISANDSARAShop at Matador →PacsafeGo Carry-On 44L Backpack$180Shop at Backcountry →Osprey PacksOsprey Packs Archeon 30L Backpack$132 was $265Shop at Backcountry →

Hard shell protects what's inside, soft shell squeezes into a tight bin, and either way check the size with wheels included.

CotopaxiCoraza Suitcase - Carry On$295Shop at Cotopaxi →SamsoniteHyperflex ∞ Carry-On Spinner$126 was $180Shop at Samsonite →SamsoniteVirtuosa Spinner$154 was $220Shop at Samsonite →Peak DesignRoller Pro Carry-On$600Shop at Peak Design →

15 to 25 liters.

CotopaxiElqui 24L Daypack$100Shop at Cotopaxi →CotopaxiConsuelo 22L Daypack$120Shop at Cotopaxi →MammutLithium 20L Daypack$135Shop at Backcountry →Osprey PacksOsprey Packs Arcane Large 20L Daypack Stargazer$49.50 was $110Shop at Backcountry →

Look for an IPX8 rating. Anything below that is splash proof, not waterproof.

Nite IzeNite Ize RunOff Waterproof Phone Pouch$34.95Shop at REI →Peak DesignEveryday Case for iPhone 11 Pro Max$26.96 was $29.95Shop at Peak Design →Peak DesignEveryday Case for iPhone 11 Pro$26.96 was $29.95Shop at Peak Design →ChromeChrome Large Phone Pouch$25Shop at REI →

Get locks marked TSA approved. Security can cut anything else off to search your bag.

MatadorMatador BetaLockSee price15% off with CHRISANDSARAShop at Matador →PacsafePacsafe ProSafe 620 TSA Accepted Luggage Locks$17.95Shop at REI →KnackKnack TSA-Approved Lock$16Shop at Knack Bags →Samsonite3 Dial Travel Sentry Combination Lock$13Shop at Samsonite →

It runs on Find My, so this one's for iPhones.

AppleApple AirTag (2nd Gen, 4-Pack)$95.99Shop at B&H Photo →eufyeufy SmartTrack Link (2-Pack)$19.99Shop at B&H Photo →AppleApple AirTag (2nd Gen)$29Shop at B&H Photo →

Going in the water, buy the 80-minute one, since 40 minutes is barely one swim.

BadgerBadger SPF 50 Adventure Sport Mineral Sunscreen - 2.4 oz. Tin$18.95Shop at REI →Sun BumSun Bum Mineral SPF 50 Sunscreen Lotion$17.50Shop at REI →Blue LizardBlue Lizard Sport Mineral SPF 50 Sunscreen Lotion$14Shop at REI →Sun BumSun Bum Mineral SPF 50 Sunscreen Face Stick$14.50Shop at REI →

Picaridin at 20% works as well as DEET, and it won't melt your sunglasses or the plastic on your pack.

Ben'sBen's Eco Spray Insect Repellent - 30 Percent DEET$9.50Shop at REI →Adventure MedicalBen's 30 Deet Tick & Insect Repellent$1.92 was $2.95Shop at Backcountry →Adventure MedicalAdventure Medical Ben's 30 Deet Tick & Insect Repellent Pump$1.92 was $2.95Shop at Backcountry →Ben'sBen's Spray Pump Insect Repellent - 30 Percent DEET$5.95Shop at REI →

It goes on clothes, not skin, and it wears off after six weeks or six washes, whichever comes first.

SawyerSawyer Permethrin Pump Spray$14.50Shop at REI →

Rehydration salts, not a sports drink. The salt and sugar are mixed in the ratio your gut can actually absorb when it's upset.

Tailwind NutritionTailwind Nutrition Recovery Drink Mix - 1 Serving Salted Caramel$3.25Shop at REI →SaltStickSaltStick Fastchews Chewable Electrolyte Tablets Mixed Berry$19.99Shop at Backcountry →SaltStickSaltStick Fastchews Chewable Electrolyte Tablets Coconut Pineapple$19.99Shop at Backcountry →Skratch LabsUnsweetened Hydration Sport Drink Mix$33Shop at Backcountry →

For customs forms.

Fisher Space PenFisher Space Pen Military Pen$22.50Shop at REI →Fisher Space PenFisher Space Pen Stowaway$17Shop at REI →Fisher Space PenFisher Space Pen Backpacker Pen$35Shop at REI →

A filter stops bacteria and parasites. For viruses you need a purifier, and the box will say which one you're buying.

Top pickGraylGrayl GeoPress Water Filter and Purifier Bottle$99.95Shop at REI →HydraPakHydraPak Breakaway+ Water Filter Bottle$50Shop at REI →LifeStrawLifeStraw Go Series Insulated Stainless-Steel Water Filter Bottle$59.95Shop at REI →LifeStrawGo Series Water Filter 1L Bottle$49.95Shop at Backcountry →