Skip to search results
loaded 2023 results
Fitness
(2,023 products)Products (2023)
Filter
- Training (1694)
- Workout Clothing (1055)
- Cross-Training Shoes (17)
- Swimming (292)
- Women's Swimwear (177)
- Men's Swimwear (127)
- Yoga (77)
- Yoga Gear (2)
- Triathlon (47)
- Indoor Cycling (27)
- Indoor Cycling Shoes (14)
- Bike Trainers (13)
- Beyond Yoga (63)
- Brooks (82)
- Patagonia (83)
- prAna (75)
- REI Co-op (90)
- Smartwool (58)
- Vuori (107)
- adidas (1)
- ALPS Mountaineering (1)
- Altra (2)
- ALWRLD (29)
- amazfit (6)
- Amphipod (16)
- Andie (4)
- Arc'teryx (44)
- Beyond Yoga (63)
- BioLite (1)
- Birkenstock (7)
- Black Diamond (5)
- Bobo's Oat Bars (7)
- Bodyglide (5)
- Boody Eco Wear (2)
- BOTE (1)
- Brooks (82)
- BruMate (1)
- Burley (8)
- CamelBak (10)
- Carve Designs (25)
- Casio (1)
- CEP (6)
- CGear Multimats (1)
- Chamois Butt'r (4)
- Chubbies (13)
- Clif (5)
- Columbia (12)
- COROS (7)
- Correct Toes (1)
- Cotopaxi (4)
- Craft (22)
- Cure Hydration (3)
- Db Journey (1)
- Eagle Creek (3)
- ExOfficio (1)
- Fair Harbor (8)
- Feedback Sports (1)
- Fishe (5)
- Fjallraven (5)
- FlipBelt (2)
- Fox (3)
- FP Movement (19)
- Free Country (19)
- Free Fly (8)
- Garmin (40)
- Gazelle (1)
- Glyder (21)
- Gnarly Nutrition (5)
- GOREWEAR (9)
- Grayl (3)
- Gregory (9)
- Gripmaster (3)
- GU (12)
- Helly Hansen (13)
- Herschel Supply Co. (6)
- HOKA (10)
- Honey Stinger (13)
- Huma Gel (1)
- Hurley (3)
- Hydaway (1)
- HydraPak (7)
- Hydro Flask (13)
- Hyperice (10)
- Icebreaker (10)
- ISM (1)
- Janji (36)
- JBL (7)
- Jelly Belly (2)
- JOLYN (5)
- Kari Traa (6)
- Katadyn (3)
- Kate's Real Food (6)
- Klean Kanteen (9)
- La Sportiva (1)
- LifeStraw (7)
- LNDR (13)
- Look (3)
- Mammut (1)
- Marmot (1)
- Maurten (5)
- Merrell (1)
- Metolius (1)
- Mons Royale (1)
- Monster (2)
- Mountain Hardwear (3)
- Muir Energy (1)
- Nalgene (4)
- Nani Swimwear (12)
- Nathan (26)
- NEMO (8)
- Nike (13)
- Nite Ize (2)
- Nomadix (2)
- NRS (31)
- NUUN (9)
- O'Neill (19)
- Oboz (1)
- Ocean Bottle (4)
- Oiselle (23)
- On (48)
- OOFOS (16)
- Osprey (8)
- Outdoor Research (12)
- Owala (2)
- Oya Femtech Apparel (1)
- Panache Sport (4)
- Patagonia (83)
- Peak Design (3)
- PEARL iZUMi (1)
- Petzl (1)
- Plant People (5)
- Platypus (3)
- Polar (5)
- prAna (75)
- Pro-Tec Athletics (24)
- PROBAR (3)
- Profile (2)
- Purist (2)
- PYNRS (8)
- Quantum Energy Squares (1)
- Rab (8)
- rabbit (47)
- REI Co-op (90)
- RHONE (25)
- Roark (21)
- RockTape (1)
- RONHILL (15)
- Roxy (8)
- Royal Robbins (1)
- Salewa (1)
- Salomon (38)
- SaltStick (4)
- Saucony (2)
- Saxx (6)
- Sealskinz (1)
- SEPTEMBER (2)
- Shimano (6)
- Shokz (9)
- Skratch Labs (7)
- Skullcandy (9)
- Smartwool (58)
- So iLL (1)
- Soundcore by Anker (4)
- Splash Place (1)
- Spring Energy (3)
- Squirrels Nut Butter (5)
- SRAM (2)
- Stanley (4)
- Stio (4)
- Suunto (13)
- Sweaty Betty (6)
- Tahoe Trail Bar (1)
- Tailwind Nutrition (8)
- tasc Performance (10)
- Ten Thousand (5)
- THE GEOPROJECT (1)
- The North Face (28)
- Threads 4 Thought (10)
- Thule (43)
- TIEM (4)
- Tiger Tail USA (9)
- Toad&Co (2)
- TomboyX (10)
- Topo Athletic (2)
- Topo Designs (1)
- Trigger Point Performance (12)
- TYR (29)
- UltrAspire (1)
- Umbo (1)
- Under Armour (10)
- UPPAbaby (5)
- Veer (44)
- VISSLA (5)
- Vittoria (1)
- Vivobarefoot (3)
- Vuori (107)
- Wahoo Fitness (11)
- Xero Shoes (3)
- YES Bar (1)
- YETI (12)
- Zensah (1)
- Zipp (1)
- Moisture Wicking (758)
- Quick Drying (706)
- Top Rated (523)
- Sun-Protective Fabric (349)
- Made in USA (187)
- Thumbholes (132)
- BPA Free (97)
- New Arrivals (92)
- Merino Wool (85)
- Vegan (85)
- Gluten Free (82)
- Packable (78)
- Vegetarian (77)
- Backpack Straps (68)
- Insulated (60)
- Reflective (60)
- HRM Included/Integrated (60)
- Wireless Sync (58)
- Non-GMO (57)
- Swimming Functions (54)
- Tracks Steps (53)
- Sleep Tracking (53)
- Tracks Distance (51)
- Tracks Calories Burned (51)
- Smart Device Notifications (51)
- Cycling Functions (50)
- Tracks Speed (49)
- Compass (48)
- Pulse Oximeter (46)
- VO2 Max Estimate (45)
- Adjustable Straps (41)
- Programmable Routes (41)
- Fits In Cup Holder (39)
- Wireless (32)
- Removable Cups (31)
- Volume Control (28)
- Compression (27)
- Waterproof (25)
- Carry-On (24)
- Organic (22)
- Adjustable Handle (17)
- Back Closure (17)
- Parking Brake (13)
- SPD Compatible (13)
- Field Cleanable (10)
- Reclining (10)
- Collapsible (9)
- Look Mountain Compatible (9)
- 2-Way Zipper (8)
- Laptop Compartment (7)
- Traction Tread (7)
- Time Mountain Compatible (7)
- Crankbrothers Compatible (7)
- Running Brake (7)
- Software Controlled (6)
- Foldable (6)
- Regulated Output (6)
- Solar-Powered (5)
- Optional Conversion (5)
- Preloaded Geocaches (4)
- Red Light Mode (3)
- User Replaceable Battery (3)
- Ultralight (2)
- Underwire (2)
- Time Road Compatible (1)
- Speedplay Compatible (1)
- SPD-SL Compatible (1)
- Look Road Compatible (1)
- Biodegradable (1)
- Cutout Seat (1)
- iPad / Tablet Compartment (1)
- Insect Repellent (1)
- Side Cargo Pockets (1)
- Fitness (1106)
- Running (736)
- Multisport (292)
- Watersports (144)
- Casual (141)
- Swimming (139)
- Trail Running (128)
- Hiking (112)
- Travel (107)
- Yoga (77)
- Walking (74)
- Fitness Recovery (57)
- Indoor Cycling (28)
- Cycling (25)
- Camping (23)
- Fishing (22)
- Paddling (16)
- Backpacking (14)
- Climbing (9)
- Road Cycling (7)
- Mountain Biking (6)
- Triathlon (6)
- Surfing (5)
- Scuba Diving (4)
- Snowboarding (2)
- Downhill Skiing (2)
- Recreational Cycling (1)
- Bouldering (1)
- Snowsports (1)
- Sleeveless (90)
- Cap Sleeve (3)
- Short Sleeve (139)
- Long Sleeve (270)
- bluesign (161)
- Certified Organic (15)
- Certified to the Fair for Life standard (1)
- Climate Label Certified (198)
- Climate Neutral Certified (22)
- Fair Trade (114)
- Organic Fibers (20)
- Recycled Materials (635)
- Responsibly Sourced Wool (5)
- XXS (52)
- XS (754)
- Small (988)
- Medium (926)
- Large (954)
- XL (1021)
- 00 (2)
- 0 (5)
- 2 (24)
- 3 (3)
- 4 (36)
- 4.5 (1)
- 5 (18)
- 5.5 (2)
- 6 (56)
- 6.5 (20)
- 7 (34)
- 7.5 (19)
- 8 (71)
- 8.5 (28)
- 9 (45)
- 9.5 (28)
- 10 (68)
- 10.5 (16)
- 11 (41)
- 11.5 (10)
- 12 (50)
- 12.5 (3)
- 13 (18)
- 14 (32)
- 15 (8)
- 16 (13)
- 28 (4)
- 30 (3)
- 32 (2)
- 34 (2)
- 36 (1)
- 38 (2)
- 40 (2)
- 18W (7)
- 1X (34)
- 20W (7)
- 22W (7)
- 24W (8)
- 26W (13)
- 28 Waist (14)
- 29 Waist (12)
- 2X (46)
- 2XL (592)
- 30 Waist (23)
- 31 Waist (8)
- 32 B (2)
- 32 C (4)
- 32 D (6)
- 32 DD (6)
- 32 DD/E (1)
- 32 E (4)
- 32 F (4)
- 32 FF (3)
- 32 G (3)
- 32 GG (2)
- 32 H (3)
- 32 HH (1)
- 32 J (1)
- 32 Waist (19)
- 33 Waist (11)
- 34 B (2)
- 34 C (4)
- 34 D (5)
- 34 DD (5)
- 34 DD/E (1)
- 34 E (4)
- 34 F (5)
- 34 FF (2)
- 34 G (1)
- 34 GG (2)
- 34 H (2)
- 34 HH (1)
- 34 J (1)
- 34 Waist (19)
- 36 B (2)
- 36 C (5)
- 36 D (6)
- 36 DD (8)
- 36 DD/E (1)
- 36 E (4)
- 36 F (5)
- 36 FF (3)
- 36 G (2)
- 36 GG (3)
- 36 H (2)
- 36 HH (1)
- 36 Waist (16)
- 38 A/B (1)
- 38 B (2)
- 38 C (5)
- 38 D (8)
- 38 DD (8)
- 38 DD/E (1)
- 38 E (6)
- 38 F (6)
- 38 FF (3)
- 38 G (3)
- 38 GG (2)
- 38 H (3)
- 38 Waist (12)
- 3X (48)
- 3XL (76)
- 40 A/B (1)
- 40 B (2)
- 40 C (4)
- 40 C/D (1)
- 40 D (8)
- 40 DD (5)
- 40 DD/E (1)
- 40 E (5)
- 40 F (6)
- 40 FF (4)
- 40 G (3)
- 40 GG (1)
- 40 Waist (11)
- 42 FF (1)
- 42 Waist (3)
- 44 Waist (5)
- 4X (8)
- 4XL (2)
- 5X (8)
- 6X (9)
- L A-C (1)
- M - XL (1)
- M A-C (1)
- One Size (8)
- S A-C (1)
- XL A-C (1)
- XS A-C (1)
- XXS A-C (1)
- Solid (800)
- Novelty (61)
- Striped (36)
- Colorblock (34)
- Print (30)
- Floral (27)
- Graphic (26)
- Camouflage (15)
- Tie Dye (3)
- Plaid (2)
- Cotton / Cotton Blend (36)
- Wool / Wool Blend (77)
- Hemp / Linen / Blend (1)
- Nylon / Nylon Blend (342)
- Polyester / Polyester Blend (844)
- Rayon / Rayon Blend (20)
- Synthetic Blend (1)
- Active Pursuits (23)
- AFO (2)
- Allpa (2)
- Alpenglow (1)
- Arcane (1)
- Arizona (6)
- Baggies (5)
- Base Camp (9)
- Becksa (1)
- BeFree (3)
- Big Haul (5)
- Black Hole (4)
- Bloks (2)
- Bondi (2)
- Capilene (16)
- Chariot (10)
- Chaser (10)
- Class V (2)
- Clementine (1)
- ColdGear (2)
- Cormac (10)
- Cruiser (13)
- Dare (1)
- Daylite (2)
- Delta (9)
- Distance (8)
- Eddy (1)
- EZ (12)
- Fenix (4)
- Ferrosi (1)
- Forerunner (3)
- Foundation (1)
- G-Shock (1)
- Glide (7)
- Go Series (5)
- Groundwork (1)
- Halo (11)
- Headlamp (1)
- HeatGear (3)
- High Coast (2)
- Houdini (4)
- Hydropeak (6)
- Hyperfreak (7)
- Hypervolt (2)
- IceFlow (4)
- Incendo (4)
- inReach (1)
- Instinct (2)
- Intraknit (11)
- Kanken (1)
- KICKR (7)
- Launch (2)
- Liquid Energy (1)
- Maipo (6)
- Mayari (1)
- Merino Sport (4)
- Norvan (11)
- Opt Outside (2)
- Ora (3)
- PFG (8)
- Ponto (6)
- R1 (6)
- Rambler (6)
- Renew (6)
- Roadtripper (4)
- Roctane (2)
- Roundtrip (2)
- Sahara (10)
- Sleek (2)
- Spacedye (38)
- Strider (2)
- Summit Series (2)
- Sunriser (6)
- Supply (5)
- Sustain (15)
- Swiftland (30)
- Switchback (13)
- Tacx (4)
- Take Your Time (1)
- Tarn (1)
- Terrebonne (3)
- Terrex (1)
- Trail Glove (1)
- Transporter (2)
- Twisted (3)
- Venu (4)
- Vivo (1)
- Wavefarer (1)
- Winter Warm (1)
- Yonder (6)
- Deals (859)
- $0.00 to $9.99 (87)
- $10.00 to $19.99 (75)
- $20.00 to $49.99 (673)
- $50.00 to $99.99 (783)
- $100.00 to $199.99 (367)
- $200.00 to $499.99 (89)
- $500.00 to $749.99 (20)
- $750.00 to $999.99 (12)
- $1000.00 to $1999.99 (16)
- $2000.00 to $5000.00 (3)
- 0 to 0.49 (439)
- 0.5 to 0.99 (202)
- 1 to 1.49 (68)
- 1.50 to 2.99 (89)
- 3 to 4.99 (40)
- 5 to 7.99 (7)
- 8 to 11.99 (1)
- 12 to 19.99 (1)
- 20 to 29.99 (11)
- 30 to 49.99 (12)
- 50 to 74.99 (1)
- 75 to 99.99 (1)
- 100 to 1000 (1)
Sort: Best Match
View:
- BrooksDash Pants - Men'sNew arrival$100.00(0)0 reviews
- BrooksDash Speed 3" Shorts - Men'sNew arrival$45.00(0)0 reviews
- MaurtenGel 100$3.95(1)1 reviews with an average rating of 5.0 out of 5 stars
- MaurtenGel 160$5.50(1)1 reviews with an average rating of 1.0 out of 5 stars
- MaurtenGel 100 Caf 100$4.50(0)0 reviews
- ChubbiesUltimate Training Shorts with Hidden Liner - Men'sNew arrival$79.50(0)0 reviews
- BrooksDash T-Shirt - Men'sNew arrival$45.00 - $50.00(0)0 reviews
- Spring EnergyEnergy Gel XLNew arrival$6.40(0)0 reviews
- MaurtenSolid 160 Energy Bar$3.00(0)0 reviews
- MaurtenSolid C 160 Energy Bar$3.00(0)0 reviews
- Wahoo FitnessRPM Cadence Sensor$45.00(496)496 reviews with an average rating of 4.0 out of 5 stars
- NikeACG Trail Midlayer Half-Zip Top - Men'sNew arrival$95.00(0)0 reviews
- Cure HydrationHydrating Electrolyte Drink Mix - 1 Serving$2.00(0)0 reviews
2,011–2,023 of 2,023 products
Sort: Best Match
Related Expert Advice articles
REI Co-op staffers share their favorite mats, blocks, cleaner and apparel for yoga. Find the perfect yoga gear for your home or studio practice.
There’s a fitness tracker for every user and every budget. Check out our top picks for hiking, running and more.
Our guide to gear and clothing will get you up and running (and swimming and biking) for your next triathlon.
Whether they love the trail or just get out in the city for a quick jog, find the perfect gift for the runner in your life.
Read full article: The Best Gifts for Runners | 2025 Holiday Gift Guide
Here are our favorite reusable water bottles for hiking, running, cycling, everyday use and more. Find the best water bottle at REI from YETI, Hydro Flask, Ocean Bottle and more.
Read full article: The 11 Best Water Bottles of 2025: Staff Picks
It’s not hard to find active swimwear that is both functional and flattering. Get tips on what to look for when choosing men's and women's swimsuits.