Skip to search results
loaded 3253 results
Fitness
(3,253 products)Products (3253)
Filter
- Running (2194)
- Running Clothes (1071)
- Running Shoes (575)
- Fitness Electronics (131)
- Running Packs (117)
- Energy Food and Drinks (102)
- Running Safety (24)
- Training (1713)
- Workout Clothing (1054)
- Cross-Training Shoes (18)
- Swimming (484)
- Women's Swimwear (321)
- Men's Swimwear (180)
- Yoga (189)
- Men's Yoga Clothing (10)
- Yoga Gear (2)
- Triathlon (44)
- Indoor Cycling (28)
- Bike Trainers (16)
- Indoor Cycling Shoes (12)
- Brooks (143)
- On (84)
- Patagonia (106)
- prAna (91)
- REI Co-op (105)
- Smartwool (91)
- Vuori (118)
- adidas (61)
- alder (5)
- ALES GREY (1)
- ALPS Mountaineering (1)
- Altra (69)
- ALWRLD (29)
- Amphipod (28)
- Andie (4)
- Arc'teryx (62)
- ASICS (24)
- Balega (12)
- Beyond Yoga (49)
- BioLite (1)
- Birkenstock (11)
- Black Diamond (9)
- BOB Gear (2)
- Bobo's Oat Bars (6)
- Bodyglide (5)
- Boody Eco Wear (4)
- BOTE (1)
- Brooks (143)
- Burley (7)
- CamelBak (13)
- Carve Designs (42)
- Casio (5)
- CEP (8)
- CGear Multimats (1)
- Chamois Butt'r (4)
- Chubbies (16)
- ciele athletics (5)
- Clif (5)
- Columbia (27)
- Conscious Gear (1)
- COROS (8)
- Cotopaxi (5)
- Craft (45)
- Cross Point Gear (2)
- CTR (1)
- Cure Hydration (2)
- Darn Tough (25)
- Eagle Creek (3)
- Fair Harbor (9)
- Feedback Sports (1)
- Feetures (3)
- Fishe (7)
- Fjallraven (1)
- FlipBelt (2)
- Fox (5)
- FP Movement (15)
- Free Country (30)
- Free Fly (8)
- Garmin (44)
- Gazelle (1)
- Glyder (21)
- Gnarly Nutrition (5)
- GOREWEAR (10)
- Grayl (4)
- Gregory (12)
- Gripmaster (3)
- GU (12)
- Headlightz (2)
- Helly Hansen (25)
- Herschel Supply Co. (1)
- Hibear (1)
- Hilly (6)
- Hilma Running (2)
- HOKA (64)
- Honey Stinger (13)
- Huma Gel (1)
- Hurley (6)
- Hydaway (3)
- HydraPak (11)
- Hydro Flask (12)
- Hyperice (11)
- Icebreaker (14)
- Injinji (14)
- ISM (1)
- Janji (42)
- JBL (6)
- Jelly Belly (2)
- JOLYN (5)
- Kahtoola (2)
- Kari Traa (16)
- Katadyn (3)
- Kate's Real Food (6)
- KATHERINE HOMES (1)
- Klean Kanteen (11)
- KUHL (1)
- La Sportiva (33)
- Lenny & Larry's (2)
- LifeStraw (10)
- Lole (1)
- Look (3)
- Lorpen (1)
- Lowa (4)
- Mammut (5)
- Maurten (5)
- melin (3)
- Merrell (30)
- Metolius (1)
- Mons Royale (1)
- Monster (2)
- Mountain Equipment (1)
- Mountain Hardwear (11)
- Muir Energy (1)
- Nalgene (3)
- Nani Swimwear (41)
- Nathan (67)
- NEMO (4)
- New Balance (23)
- Nike (37)
- Nite Ize (2)
- NNormal (4)
- Nomadix (2)
- norda (7)
- NRS (30)
- NUUN (9)
- O'Neill (49)
- Oboz (1)
- Ocean Bottle (3)
- Oiselle (24)
- On (84)
- OOFOS (18)
- Osprey (20)
- Outdoor Research (18)
- Owala (3)
- Oya Femtech Apparel (3)
- Panache Sport (3)
- Patagonia (106)
- Peak Design (3)
- PEARL iZUMi (3)
- Petzl (1)
- Picture Organic Clothing (3)
- Plant People (5)
- Platypus (3)
- Polar (5)
- prAna (91)
- Pro-Tec Athletics (21)
- PROBAR (3)
- Profile (2)
- Purist (2)
- PYNRS (11)
- Quantum Energy Squares (1)
- Rab (7)
- rabbit (36)
- Reef (1)
- REI Co-op (105)
- RHONE (25)
- Roark (20)
- RockTape (2)
- RONHILL (27)
- Roxy (19)
- Ruffwear (2)
- Salewa (1)
- Salomon (66)
- SaltStick (4)
- Saucony (47)
- Saxx (6)
- Saysh (1)
- Sealskinz (2)
- Seirus (1)
- SEPTEMBER (6)
- Shimano (4)
- Shokz (9)
- Skratch Labs (6)
- Skullcandy (15)
- Smartwool (91)
- So iLL (2)
- Sockwell (4)
- Splash Place (1)
- Spring Energy (1)
- Squirrels Nut Butter (4)
- SRAM (2)
- Stance (48)
- Stanley (6)
- Stio (10)
- Sunday Afternoons (3)
- Suunto (10)
- Sweaty Betty (15)
- Swiftwick (8)
- Swix (9)
- Tahoe Trail Bar (1)
- Tailwind Nutrition (8)
- tasc Performance (11)
- Ten Thousand (6)
- Teva (4)
- The North Face (64)
- Threads 4 Thought (13)
- Thule (52)
- TIEM (4)
- Tiger Tail USA (7)
- Timex (6)
- Toad&Co (1)
- TomboyX (18)
- Topo Athletic (34)
- Topo Designs (2)
- ToughCutie (1)
- Trigger Point Performance (13)
- TYR (41)
- Ultimate Direction (9)
- UltrAspire (12)
- Umbo (1)
- Under Armour (10)
- UPPAbaby (4)
- Veer (45)
- VEJA (3)
- VISSLA (17)
- Vital Proteins (1)
- Vitalyte (1)
- Vittoria (1)
- Vivobarefoot (14)
- Vuori (118)
- Wahoo Fitness (14)
- WhitePaws RunMitts (2)
- WRIGHTSOCK (6)
- Xero Shoes (10)
- YES Bar (1)
- YETI (12)
- Zensah (3)
- Zipp (1)
- Deals (1030)
- Running (1419)
- Fitness (1115)
- Trail Running (508)
- Multisport (307)
- Swimming (243)
- Watersports (225)
- Hiking (151)
- Casual (146)
- Travel (104)
- Walking (85)
- Yoga (78)
- Fitness Recovery (61)
- Cycling (42)
- Fishing (35)
- Camping (33)
- Indoor Cycling (29)
- Backpacking (16)
- Cross-country Skiing (13)
- Surfing (9)
- Climbing (9)
- Paddling (9)
- Snowsports (8)
- Triathlon (8)
- Road Cycling (7)
- Mountain Biking (4)
- Bouldering (2)
- Scuba Diving (2)
- Recreational Cycling (2)
- Snowboarding (1)
- Downhill Skiing (1)
- Rock Climbing (1)
- Active Pursuits (23)
- ActiveIce (3)
- Adrenaline (7)
- AFO (6)
- Aion (1)
- Allpa (2)
- Alpenglow (1)
- Aphrodite (1)
- Arahi (4)
- Arcane (1)
- Arizona (6)
- Baggies (6)
- Base Camp (8)
- Beach Classics (1)
- Becksa (2)
- BeFree (3)
- Big Haul (5)
- Black Hole (4)
- Bloks (2)
- Bondi (5)
- Bushido (7)
- Caldera (2)
- Camp (2)
- Capilene (19)
- Cascadia (3)
- Catamount (3)
- Challenger (7)
- Chariot (12)
- Chaser (6)
- Chute Mag (2)
- Class V (2)
- Clementine (2)
- Clifton (11)
- Cloud (4)
- Cloudflyer (2)
- Cloudsurfer (12)
- Cloudswift (4)
- ColdGear (2)
- Cormac (10)
- Cruiser (12)
- Dare (1)
- Daylite (2)
- Delta (8)
- Distance (9)
- Eddy (3)
- Enduro (1)
- epix (2)
- Escalante (5)
- Everyday (1)
- Experience (8)
- EZ (13)
- Fenix (4)
- Ferrosi (1)
- Flash (2)
- Forerunner (8)
- Foundation (1)
- G-Shock (5)
- Gaviota (2)
- GEL-Cumulus (2)
- GEL-Kayano (3)
- GEL-Nimbus (2)
- Ghost (18)
- Glide (7)
- Glycerin (16)
- Go Series (5)
- Groundwork (3)
- Halo (10)
- Headlamp (1)
- HeatGear (3)
- Houdini (4)
- Hydropeak (7)
- Hyperfreak (15)
- Hyperion (4)
- Hypervolt (3)
- IceFlow (6)
- Incendo (4)
- Instinct (5)
- Intraknit (17)
- Ironman (5)
- Jackal (2)
- Kanken (1)
- KICKR (8)
- Launch (4)
- Liquid Energy (1)
- Lone Peak (5)
- Mach (4)
- Mafate (5)
- Maipo (8)
- Mayari (1)
- Merino Sport (4)
- MTL (7)
- Nano-Air (1)
- Norvan (19)
- Opt Outside (2)
- Ora (5)
- Own The Run (14)
- Peregrine (3)
- Performance (18)
- PFG (18)
- Ponto (5)
- R1 (7)
- Rainrunner (2)
- Rambler (6)
- Renew (10)
- Revel (4)
- Rincon (4)
- Roadtripper (4)
- Roctane (2)
- Roundtrip (2)
- Sahara (4)
- Sherpa (6)
- Sleek (7)
- Spacedye (32)
- Speedcross (5)
- Speedgoat (5)
- Stinson (2)
- Strider (4)
- Stryder (1)
- Summit Series (11)
- Sunriser (14)
- Superior (6)
- Supply (7)
- Sustain (10)
- Swiftland (49)
- Switchback (14)
- Tacx (4)
- Take Your Time (1)
- Terrebonne (3)
- Terrex (13)
- Thundercross (2)
- Timp (6)
- Torin (7)
- Torrent (2)
- Trail Glove (3)
- Trailmade (2)
- Transporter (7)
- Twisted (3)
- Vectiv (8)
- Venu (3)
- Vivo (1)
- Wavefarer (2)
- Wildcat (4)
- Winter Warm (2)
- Yonder (6)
- Wool (1)
- Wool / Wool Blend (146)
- Acrylic / Acrylic Blend (5)
- Cotton / Cotton Blend (35)
- Hemp / Linen / Blend (1)
- Nylon / Nylon Blend (491)
- Polyester / Polyester Blend (1146)
- Polypropylene / Polypropylene Blend (1)
- Rayon / Rayon Blend (23)
- Synthetic Blend (7)
- Moisture Wicking (1072)
- Quick Drying (983)
- Top Rated (780)
- Sun-Protective Fabric (532)
- Vegan (346)
- Made in USA (265)
- New Arrivals (180)
- BPA Free (176)
- Merino Wool (155)
- Thumbholes (137)
- Packable (97)
- Insulated (87)
- Waterproof (80)
- Reflective (80)
- Gluten Free (79)
- Vegetarian (74)
- Removable Cups (68)
- Backpack Straps (61)
- HRM Included/Integrated (57)
- Adjustable Straps (57)
- Non-GMO (55)
- Tracks Steps (51)
- Swimming Functions (50)
- Reservoir Compatible (48)
- Wireless Sync (48)
- Smart Device Notifications (48)
- Sleep Tracking (48)
- Tracks Distance (47)
- Tracks Calories Burned (47)
- Compression (46)
- Tracks Speed (46)
- Cycling Functions (46)
- Compass (46)
- VO2 Max Estimate (44)
- Fits In Cup Holder (41)
- Pulse Oximeter (40)
- Programmable Routes (38)
- Wireless (33)
- Volume Control (31)
- Bite Valve Shut-off Switch (24)
- Collapsible (24)
- Organic (22)
- Back Closure (21)
- Adjustable Handle (19)
- Carry-On (17)
- Parking Brake (14)
- Touch-Screen Compatible (14)
- Field Cleanable (13)
- Solar-Powered (11)
- SPD Compatible (11)
- Reclining (10)
- Award Winner (9)
- 2-Way Zipper (8)
- Look Mountain Compatible (7)
- Optional Conversion (7)
- Laptop Compartment (6)
- Regulated Output (6)
- Lap Timer (6)
- Software Controlled (6)
- Goggles Wipe (6)
- Traction Tread (5)
- Side Cargo Pockets (5)
- Time Mountain Compatible (5)
- Crankbrothers Compatible (5)
- Foldable (5)
- Preloaded Geocaches (4)
- Running Brake (4)
- Underwire (3)
- Ultralight (3)
- Red Light Mode (3)
- Warmer Pockets (2)
- iPad / Tablet Compartment (2)
- Cutout Seat (1)
- Biodegradable (1)
- Time Road Compatible (1)
- Speedplay Compatible (1)
- SPD-SL Compatible (1)
- Look Road Compatible (1)
- User Replaceable Battery (1)
- Insect Repellent (1)
- XXS (55)
- XS (973)
- Small (1391)
- Medium (1335)
- Large (1329)
- XL (1278)
- 00 (4)
- 0 (7)
- 1 (6)
- 2 (39)
- 3 (12)
- 4 (46)
- 4.5 (1)
- 5 (85)
- 5.5 (79)
- 6 (303)
- 6.5 (259)
- 7 (308)
- 7.5 (303)
- 8 (505)
- 8.5 (440)
- 9 (482)
- 9.5 (448)
- 10 (508)
- 10.5 (329)
- 11 (457)
- 11.5 (250)
- 12 (336)
- 12.5 (123)
- 13 (218)
- 13.5 (1)
- 14 (78)
- 14.5 (2)
- 15 (42)
- 16 (24)
- 28 (5)
- 30 (7)
- 32 (7)
- 34 (7)
- 36 (7)
- 38 (6)
- 40 (4)
- 10 X-Wide (3)
- 10.5 X-Wide (2)
- 11 X-Wide (3)
- 12 X-Wide (3)
- 18W (9)
- 1X (37)
- 20W (7)
- 22W (4)
- 24W (5)
- 26W (10)
- 28 Waist (26)
- 29 Waist (22)
- 2X (47)
- 2X/3X (1)
- 2XL (696)
- 30 A/B (1)
- 30 C/D (1)
- 30 Waist (38)
- 31 Waist (19)
- 32 A/B (1)
- 32 B (1)
- 32 C (4)
- 32 C/D (1)
- 32 D (5)
- 32 DD (5)
- 32 DD/E (1)
- 32 E (4)
- 32 F (4)
- 32 FF (3)
- 32 G (3)
- 32 GG (3)
- 32 H (3)
- 32 HH (1)
- 32 J (1)
- 32 Waist (35)
- 33 Waist (24)
- 34 A/B (1)
- 34 B (1)
- 34 C (4)
- 34 C/D (1)
- 34 D (6)
- 34 DD (6)
- 34 DD/E (1)
- 34 E (4)
- 34 F (4)
- 34 FF (3)
- 34 G (3)
- 34 GG (2)
- 34 H (2)
- 34 HH (1)
- 34 J (1)
- 34 Waist (36)
- 35 Waist (6)
- 36 A/B (1)
- 36 B (1)
- 36 C (4)
- 36 C/D (1)
- 36 D (4)
- 36 DD (6)
- 36 DD/E (1)
- 36 E (4)
- 36 F (4)
- 36 FF (3)
- 36 G (3)
- 36 GG (3)
- 36 H (3)
- 36 HH (1)
- 36 Waist (36)
- 38 A/B (1)
- 38 B (1)
- 38 C (4)
- 38 C/D (1)
- 38 D (6)
- 38 DD (6)
- 38 DD/E (1)
- 38 E (4)
- 38 F (4)
- 38 FF (3)
- 38 G (3)
- 38 GG (3)
- 38 H (2)
- 38 Waist (35)
- 3X (51)
- 3XL (94)
- 40 A/B (1)
- 40 B (1)
- 40 C (2)
- 40 C/D (1)
- 40 D (4)
- 40 DD (4)
- 40 DD/E (1)
- 40 E (4)
- 40 F (4)
- 40 FF (3)
- 40 G (3)
- 40 GG (1)
- 40 Waist (22)
- 41 Waist (1)
- 42 Waist (9)
- 44 Waist (12)
- 4X (4)
- 4XL (5)
- 5 X-Wide (2)
- 5.5 X-Wide (2)
- 5X (6)
- 6 X-Wide (2)
- 6.5 X-Wide (2)
- 6X (9)
- 7 X-Wide (2)
- 7.5 X-Wide (3)
- 8 X-Wide (3)
- 8.5 X-Wide (3)
- 9 X-Wide (3)
- 9.5 X-Wide (3)
- Earth - L/2X (1)
- L A-C (1)
- L D-DD (1)
- M A-C (1)
- M D-DD (1)
- One Size (40)
- S A-C (1)
- S D-DD (1)
- Wind - 3X/5X (1)
- XL A-C (1)
- XL C/D (1)
- XL DD/F (1)
- XS A-C (1)
- XS D-DD (1)
- XXL/XXXL (1)
- XXS A-C (1)
- XXS C/D (1)
- XXS D-DD (1)
- $0.00 to $9.99 (94)
- $10.00 to $19.99 (179)
- $20.00 to $49.99 (834)
- $50.00 to $99.99 (1163)
- $100.00 to $199.99 (877)
- $200.00 to $499.99 (141)
- $500.00 to $749.99 (19)
- $750.00 to $999.99 (16)
- $1000.00 to $1999.99 (14)
- $2000.00 to $5000.00 (3)
- bluesign (232)
- Certified Organic (15)
- Climate Label Certified (223)
- Climate Neutral Certified (75)
- Fair Trade (211)
- Organic Fibers (20)
- Recycled Materials (1177)
- Responsibly Sourced Wool (24)
- 0 to 0.49 (567)
- 0.5 to 0.99 (349)
- 1 to 1.49 (495)
- 1.50 to 2.99 (107)
- 3 to 4.99 (39)
- 5 to 7.99 (9)
- 8 to 11.99 (3)
- 12 to 19.99 (4)
- 20 to 29.99 (10)
- 30 to 49.99 (13)
- 50 to 74.99 (2)
- 75 to 99.99 (1)
- 100 to 1000 (1)
- Solid (1025)
- Novelty (132)
- Floral (67)
- Striped (64)
- Colorblock (59)
- Print (45)
- Graphic (43)
- Camouflage (21)
- Tie Dye (4)
- Plaid (4)
Sort: Best Match
View:
- Ultimate DirectionUltra Belt 5.0 Hydration Waist Pack$79.95(8)8 reviews with an average rating of 2.8 out of 5 stars
- CasioG-Shock GPS Rangeman GPRH1000$500.00(1)1 reviews with an average rating of 4.0 out of 5 stars
- The North FaceHigher Run Wind Jacket - Men'sTop Rated$115.00(12)12 reviews with an average rating of 4.7 out of 5 stars
- CraftCore Nordic Training Full-Zip Pants - Women's$61.83Save 50%compared to $124.95(3)3 reviews with an average rating of 4.0 out of 5 stars
- CraftADV SubZ Tights 3 - Women's$59.83Save 50%compared to $119.95(1)1 reviews with an average rating of 4.0 out of 5 stars
- FoxRise Fleece Joggers - Men's$59.83Save 50%compared to $119.95(0)0 reviews
- GarminTacx Rollable Trainer Mat$80.00(2)2 reviews with an average rating of 5.0 out of 5 stars
- AmphipodFlash Dot LED Vizlet Safety Light - Package of 2$20.00(0)0 reviews
- OnTrail Breaker Shirt - Men's$160.00(0)0 reviews
- Beyond YogaSpacedye Take It Easy Pants - Men'sTop Rated$99.00(18)18 reviews with an average rating of 4.9 out of 5 stars
- SmartwoolActive Lined 4" Shorts - Women's$75.00(0)0 reviews
- Eagle CreekMigrate Duffel - 40 L$119.00(3)3 reviews with an average rating of 3.7 out of 5 stars
- Bobo's Oat BarsChocolate Almond Brownie Oat Bar$3.50(3)3 reviews with an average rating of 4.3 out of 5 stars
- NathanSaferRun Ripcord Siren Personal Alarm$20.00(56)56 reviews with an average rating of 4.1 out of 5 stars
- PatagoniaEndless Run 7/8 Tights - Women's$119.00(9)9 reviews with an average rating of 4.2 out of 5 stars
- ThuleUrban Glide 3 Maxi-Cosi Car Seat Adapter$69.95(0)0 reviews
- Tiger Tail USAReGreen Tiger Ball 2.6 Massage-on-a-Rope$22.95(0)0 reviews
- PolarIgnite 3$400.00(0)0 reviews
- SuuntoWing Headphones$149.00(1)1 reviews with an average rating of 5.0 out of 5 stars
- SmartwoolSmartloft Hooded Insulated Jacket - Women's$295.00(0)0 reviews
- ThuleUrban Glide 3 Snack Tray$54.95(2)2 reviews with an average rating of 3.0 out of 5 stars
- Pro-Tec AthleticsThe Orb Massage Ball$19.95(18)18 reviews with an average rating of 4.1 out of 5 stars
- SauconyHurricane Wind Tights - Women's$61.83Save 50%compared to $125.00(4)4 reviews with an average rating of 1.3 out of 5 stars
- Darn ToughMirnavated Micro Crew Ultralightweight Running Socks - Women's$22.00(0)0 reviews
- FisheHaliBorealis Tunic Fishing Shirt - Women's$69.73Save 28%compared to $98.00(0)0 reviewsREI OUTLET
- BrooksLuxe Hoodie - Women'sTop Rated$98.00(20)20 reviews with an average rating of 4.6 out of 5 stars
- OnClimate Zip Hoodie - Women's$130.00(1)1 reviews with an average rating of 5.0 out of 5 stars
- Beyond YogaSpacedye Vitalize Leggings - Women's$99.00(150)150 reviews with an average rating of 4.2 out of 5 stars
- Oya Femtech Apparel7" Biker Shorts - Feminine Health Defense - Women's$65.00(0)0 reviews
- IcebreakerMerino 125 ZoneKnit Speed 6" Shorts - Men'sTop Rated$95.00(12)12 reviews with an average rating of 4.8 out of 5 stars
2,071–2,100 of 3,253 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.
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.
Our guide to gear and clothing will get you up and running (and swimming and biking) for your next triathlon.
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.