Skip to search results
loaded 3283 results
Fitness
(3,283 products)Products (3283)
Filter
- Running (2189)
- Running Clothes (1057)
- Running Shoes (609)
- Fitness Electronics (129)
- Running Packs (115)
- Running Safety (24)
- Training (1716)
- Workout Clothing (1065)
- Cross-Training Shoes (16)
- Swimming (483)
- Women's Swimwear (319)
- Men's Swimwear (180)
- Yoga (203)
- Men's Yoga Clothing (11)
- Yoga Gear (4)
- Triathlon (45)
- Indoor Cycling (29)
- Bike Trainers (15)
- Indoor Cycling Shoes (14)
- Inline Skates (1)
- Brooks (142)
- Patagonia (110)
- prAna (108)
- REI Co-op (112)
- Salomon (88)
- Smartwool (93)
- Vuori (121)
- adidas (58)
- alder (6)
- ALES GREY (1)
- ALPS Mountaineering (1)
- Altra (68)
- ALWRLD (32)
- Amphipod (28)
- Andie (4)
- Arc'teryx (65)
- ASICS (23)
- Balega (12)
- Beyond Yoga (55)
- BioLite (1)
- Birkenstock (11)
- Black Diamond (10)
- BOB Gear (1)
- Bobo's Oat Bars (6)
- Bodyglide (5)
- Boody Eco Wear (4)
- BOTE (1)
- Brooks (142)
- Burley (7)
- CamelBak (9)
- Carve Designs (40)
- Casio (5)
- CEP (8)
- CGear Multimats (1)
- Chamois Butt'r (4)
- Chubbies (14)
- ciele athletics (8)
- Clif (5)
- Columbia (24)
- Conscious Gear (1)
- COROS (7)
- Cotopaxi (6)
- Craft (42)
- Cross Point Gear (2)
- CTR (1)
- Cure Hydration (2)
- Darn Tough (24)
- Eagle Creek (3)
- Fair Harbor (9)
- Feedback Sports (1)
- Feetures (2)
- Fishe (6)
- Fjallraven (5)
- FlipBelt (2)
- Fox (5)
- FP Movement (15)
- Free Country (29)
- Free Fly (9)
- Garmin (41)
- Garneau (1)
- Gazelle (1)
- Giro (1)
- Glyder (21)
- Gnarly Nutrition (5)
- GOREWEAR (13)
- Grayl (4)
- Gregory (15)
- Gripmaster (3)
- GU (12)
- Headlightz (1)
- Helly Hansen (30)
- Herschel Supply Co. (1)
- Hibear (1)
- Hilly (5)
- Hilma Running (2)
- HOKA (65)
- Honey Stinger (13)
- Huma Gel (1)
- Hurley (5)
- Hydaway (1)
- HydraPak (11)
- Hydro Flask (13)
- Hyperice (11)
- Icebreaker (11)
- Injinji (13)
- ISM (1)
- Janji (47)
- JBL (9)
- Jelly Belly (2)
- Jogalite (1)
- JOLYN (5)
- K2 (1)
- Kahtoola (2)
- Kari Traa (10)
- Katadyn (3)
- Kate's Real Food (3)
- KEEN (2)
- Klean Kanteen (13)
- KUHL (1)
- La Sportiva (33)
- Lenny & Larry's (1)
- LifeStraw (9)
- Lole (1)
- Look (3)
- Lorpen (1)
- Lowa (4)
- Mammut (5)
- Maurten (1)
- melin (3)
- Merrell (27)
- Metolius (1)
- Mons Royale (1)
- Monster (2)
- Mountain Equipment (1)
- Mountain Hardwear (10)
- Muir Energy (1)
- Nalgene (3)
- Nani Swimwear (37)
- Nathan (62)
- NEMO (4)
- New Balance (24)
- Nike (41)
- Nite Ize (2)
- NNormal (4)
- Nomadix (2)
- norda (7)
- NRS (37)
- NUUN (2)
- O'Neill (45)
- Oboz (1)
- Ocean Bottle (3)
- Oiselle (24)
- On (87)
- OOFOS (18)
- Osprey (19)
- Outdoor Research (19)
- Owala (2)
- Oya Femtech Apparel (2)
- Panache Sport (3)
- Patagonia (110)
- Peak Design (3)
- PEARL iZUMi (3)
- Petzl (1)
- Picture Organic Clothing (2)
- Plant People (5)
- Platypus (3)
- Polar (5)
- prAna (108)
- Pro-Tec Athletics (21)
- PROBAR (3)
- Profile (3)
- Purist (2)
- PYNRS (11)
- Quantum Energy Squares (1)
- Rab (7)
- rabbit (42)
- REI Co-op (112)
- RHONE (25)
- Roark (23)
- RockTape (1)
- RONHILL (25)
- Roxy (20)
- Ruffwear (1)
- Salewa (1)
- Salomon (88)
- SaltStick (4)
- Saucony (46)
- Saxx (5)
- Saysh (1)
- Sealskinz (3)
- Seirus (1)
- SEPTEMBER (6)
- Shimano (5)
- Shokz (9)
- Skratch Labs (6)
- Skullcandy (15)
- Smartwool (93)
- So iLL (2)
- Sockwell (4)
- Splash Place (1)
- Spring Energy (1)
- Squirrels Nut Butter (3)
- SRAM (1)
- Stance (46)
- Stanley (6)
- Stio (10)
- Sunday Afternoons (3)
- Suunto (10)
- Sweaty Betty (12)
- Swiftwick (8)
- Swix (8)
- Tahoe Trail Bar (1)
- Tailwind Nutrition (8)
- tasc Performance (11)
- Ten Thousand (6)
- Teva (4)
- The North Face (62)
- Threads 4 Thought (12)
- Thule (52)
- TIEM (4)
- Tiger Tail USA (6)
- Timex (5)
- Toad&Co (1)
- TomboyX (16)
- Topo Athletic (39)
- Topo Designs (1)
- ToughCutie (1)
- Trigger Point Performance (13)
- TYR (41)
- Ultimate Direction (7)
- UltrAspire (10)
- Umbo (1)
- Under Armour (10)
- UPPAbaby (8)
- Veer (43)
- VEJA (3)
- VISSLA (17)
- Vitalyte (1)
- Vittoria (1)
- Vivobarefoot (13)
- Vuori (121)
- Wahoo Fitness (13)
- WhitePaws RunMitts (2)
- WRIGHTSOCK (6)
- Xero Shoes (9)
- YES Bar (1)
- YETI (12)
- Zensah (3)
- Zipp (1)
- Running (1426)
- Fitness (1127)
- Trail Running (517)
- Multisport (290)
- Swimming (243)
- Watersports (227)
- Hiking (153)
- Casual (145)
- Travel (116)
- Yoga (96)
- Walking (89)
- Fitness Recovery (59)
- Cycling (44)
- Fishing (32)
- Camping (30)
- Indoor Cycling (30)
- Backpacking (16)
- Paddling (15)
- Cross-country Skiing (13)
- Climbing (9)
- Surfing (9)
- Road Cycling (8)
- Snowsports (8)
- Triathlon (7)
- Mountain Biking (5)
- Bouldering (2)
- Scuba Diving (2)
- Recreational Cycling (2)
- Rock Climbing (1)
- Snowboarding (1)
- Downhill Skiing (1)
- Inline Skating (1)
- XXS (62)
- XS (969)
- Small (1375)
- Medium (1340)
- Large (1310)
- XL (1267)
- 00 (5)
- 0 (6)
- 1 (5)
- 2 (35)
- 3 (12)
- 4 (43)
- 4.5 (1)
- 5 (89)
- 5.5 (84)
- 6 (311)
- 6.5 (263)
- 7 (330)
- 7.5 (323)
- 8 (510)
- 8.5 (460)
- 9 (490)
- 9.5 (467)
- 10 (509)
- 10.5 (337)
- 11 (466)
- 11.5 (260)
- 12 (339)
- 12.5 (134)
- 13 (232)
- 13.5 (2)
- 14 (98)
- 14.5 (6)
- 15 (55)
- 15.5 (3)
- 16 (23)
- 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 (7)
- 1X (42)
- 20W (5)
- 22W (4)
- 24W (5)
- 26W (10)
- 28 Waist (24)
- 29 Waist (21)
- 2X (50)
- 2X/3X (1)
- 2XL (688)
- 30 A/B (1)
- 30 C/D (1)
- 30 Waist (36)
- 31 Waist (15)
- 32 A/B (1)
- 32 B (1)
- 32 C (4)
- 32 C/D (1)
- 32 D (6)
- 32 DD (6)
- 32 DD/E (1)
- 32 E (3)
- 32 F (3)
- 32 FF (3)
- 32 G (3)
- 32 GG (3)
- 32 H (2)
- 32 HH (1)
- 32 J (1)
- 32 Waist (31)
- 33 Waist (20)
- 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 (31)
- 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 (3)
- 36 F (4)
- 36 FF (3)
- 36 G (2)
- 36 GG (2)
- 36 H (2)
- 36 HH (1)
- 36 Waist (31)
- 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 (31)
- 3X (50)
- 3XL (90)
- 40 A/B (1)
- 40 B (1)
- 40 C (2)
- 40 C/D (1)
- 40 D (5)
- 40 DD (4)
- 40 DD/E (1)
- 40 E (4)
- 40 F (4)
- 40 FF (3)
- 40 G (3)
- 40 GG (1)
- 40 Waist (19)
- 41 Waist (1)
- 42 Waist (4)
- 44 Waist (11)
- 4X (4)
- 4XL (5)
- 5 X-Wide (2)
- 5.5 X-Wide (2)
- 5X (5)
- 6 X-Wide (2)
- 6.5 X-Wide (2)
- 6X (8)
- 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 (41)
- S A-C (1)
- S D-DD (1)
- Wind - 3X/5X (1)
- XL A-C (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 (76)
- $10.00 to $19.99 (186)
- $20.00 to $49.99 (928)
- $50.00 to $99.99 (1087)
- $100.00 to $199.99 (950)
- $200.00 to $499.99 (156)
- $500.00 to $749.99 (17)
- $750.00 to $999.99 (13)
- $1000.00 to $1999.99 (18)
- $2000.00 to $5000.00 (3)
- 0 to 0.49 (551)
- 0.5 to 0.99 (361)
- 1 to 1.49 (530)
- 1.50 to 2.99 (116)
- 3 to 4.99 (40)
- 5 to 7.99 (7)
- 8 to 11.99 (2)
- 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)
- Buckle (3)
- Bungee Lace (11)
- Dial Lace (7)
- Lace-up (565)
- Single-pull Lace (24)
- Slip-on (37)
- Strap (12)
- Moisture Wicking (1064)
- Quick Drying (970)
- Top Rated (802)
- Sun-Protective Fabric (534)
- Vegan (341)
- Made in USA (261)
- BPA Free (177)
- Merino Wool (156)
- New Arrivals (153)
- Thumbholes (140)
- Packable (104)
- Insulated (95)
- Waterproof (94)
- Reflective (79)
- Backpack Straps (73)
- Removable Cups (69)
- Gluten Free (65)
- Vegetarian (61)
- Adjustable Straps (60)
- HRM Included/Integrated (53)
- Reservoir Compatible (50)
- Tracks Steps (47)
- Swimming Functions (46)
- Fits In Cup Holder (45)
- Wireless Sync (45)
- Sleep Tracking (45)
- Non-GMO (44)
- Smart Device Notifications (44)
- Tracks Distance (43)
- Tracks Calories Burned (43)
- Tracks Speed (42)
- Cycling Functions (42)
- Compass (42)
- Compression (42)
- VO2 Max Estimate (40)
- Pulse Oximeter (37)
- Wireless (36)
- Programmable Routes (34)
- Volume Control (31)
- Carry-On (25)
- Bite Valve Shut-off Switch (24)
- Back Closure (24)
- Collapsible (22)
- Organic (19)
- Adjustable Handle (18)
- Parking Brake (15)
- Touch-Screen Compatible (15)
- SPD Compatible (13)
- Field Cleanable (12)
- Solar-Powered (10)
- 2-Way Zipper (10)
- Reclining (10)
- Award Winner (8)
- Look Mountain Compatible (8)
- Traction Tread (7)
- Regulated Output (6)
- Laptop Compartment (6)
- Side Cargo Pockets (6)
- Software Controlled (6)
- Time Mountain Compatible (6)
- Crankbrothers Compatible (6)
- Goggles Wipe (6)
- Optional Conversion (6)
- Lap Timer (5)
- Foldable (5)
- Preloaded Geocaches (4)
- Running Brake (4)
- Ultralight (3)
- Underwire (3)
- Red Light Mode (3)
- iPad / Tablet Compartment (2)
- Warmer Pockets (2)
- Hipbelt Pockets (1)
- Cutout Seat (1)
- Biodegradable (1)
- Time Road Compatible (1)
- Speedplay Compatible (1)
- SPD-SL Compatible (1)
- Look Road Compatible (1)
- Insect Repellent (1)
- User Replaceable Battery (1)
- bluesign (232)
- Certified Organic (13)
- Climate Label Certified (233)
- Climate Neutral Certified (76)
- Fair Trade (226)
- Organic Fibers (23)
- Recycled Materials (1192)
- Responsibly Sourced Wool (25)
- Wool (2)
- Wool / Wool Blend (146)
- Acrylic / Acrylic Blend (5)
- Cotton / Cotton Blend (36)
- Hemp / Linen / Blend (1)
- Nylon / Nylon Blend (506)
- Polyester / Polyester Blend (1130)
- Polypropylene / Polypropylene Blend (1)
- Rayon / Rayon Blend (23)
- Synthetic Blend (7)
- Solid (1032)
- Novelty (118)
- Floral (61)
- Striped (60)
- Colorblock (59)
- Print (50)
- Graphic (42)
- Camouflage (22)
- Plaid (5)
- Tie Dye (4)
- Active Pursuits (23)
- ActiveIce (3)
- Adrenaline (9)
- AFO (6)
- Aion (1)
- Allpa (2)
- Alpenglow (1)
- Aphrodite (1)
- Arahi (4)
- Arcane (1)
- Arizona (6)
- Baggies (8)
- Base Camp (11)
- Beach Classics (1)
- Becksa (2)
- BeFree (3)
- Big Haul (5)
- Black Hole (4)
- Bloks (2)
- Bondi (4)
- Bushido (7)
- Caldera (2)
- Camp (2)
- Capilene (20)
- Cascadia (8)
- Catamount (3)
- Challenger (7)
- Chariot (11)
- Chaser (5)
- Class V (2)
- Classic Thermal Merino (1)
- Clementine (2)
- Clifton (11)
- Cloud (4)
- Cloudflyer (2)
- Cloudsurfer (15)
- Cloudswift (4)
- ColdGear (2)
- Cormac (10)
- Cruiser (11)
- Dare (1)
- Daylite (3)
- Delta (10)
- Distance (8)
- Eddy (1)
- Enduro (1)
- epix (2)
- Escalante (5)
- Everyday (1)
- Experience (10)
- EZ (14)
- Fenix (4)
- Ferrosi (1)
- Flash (2)
- Forerunner (6)
- Foundation (1)
- G-Shock (5)
- Gaviota (2)
- GEL-Cumulus (2)
- GEL-Kayano (4)
- GEL-Nimbus (2)
- Ghost (21)
- Glide (7)
- Glycerin (15)
- Go Series (5)
- Groundwork (3)
- Halo (13)
- Headlamp (1)
- HeatGear (3)
- High Coast (2)
- Houdini (4)
- Hydropeak (7)
- Hyperfreak (12)
- Hyperion (4)
- Hypervolt (3)
- IceFlow (6)
- Incendo (4)
- Instinct (4)
- Intraknit (16)
- Ironman (4)
- Jackal (2)
- Kanken (1)
- KICKR (8)
- Launch (4)
- Liquid Energy (1)
- Lone Peak (5)
- Mach (5)
- Mafate (6)
- Maipo (8)
- Mayari (1)
- Merino Sport (4)
- MTL (5)
- Nano-Air (1)
- Norvan (19)
- Opt Outside (2)
- Ora (4)
- Own The Run (11)
- Peregrine (3)
- Performance (18)
- PFG (15)
- Ponto (6)
- R1 (9)
- Rainrunner (2)
- Rambler (6)
- Renew (6)
- Revel (4)
- Rincon (4)
- Roadtripper (4)
- Roctane (2)
- Roundtrip (2)
- Sahara (4)
- Sense Ride (1)
- Sherpa (4)
- Sleek (7)
- Spacedye (37)
- Speedcross (4)
- Speedgoat (6)
- Stinson (2)
- Strider (4)
- Stryder (1)
- Summit Series (9)
- Sunriser (12)
- Superior (6)
- Supply (7)
- Sustain (16)
- Swiftland (50)
- Switchback (13)
- Tacx (4)
- Take Your Time (1)
- Tarn (1)
- Terrebonne (3)
- Terrex (13)
- Thundercross (1)
- Timp (6)
- Torin (7)
- Torrent (2)
- Trail Glove (3)
- Trailmade (2)
- Transporter (5)
- Twisted (3)
- Ultra Raptor (1)
- Vectiv (8)
- Venu (3)
- Vivo (1)
- Wavefarer (2)
- Wildcat (4)
- Winter Warm (3)
- Yonder (6)
- Deals (1223)
Sort: Best Match
View:
- NikeZoomX Vaporfly 4 Road-Running Shoes - Women'sNew arrival$270.00(9)9 reviews with an average rating of 4.4 out of 5 stars
- SalomonGlide Max TR Trail-Running Shoes - Women's$160.00(56)56 reviews with an average rating of 4.2 out of 5 stars
- VivobarefootPrimus Flow Road-Running Shoes - Women's$180.00(0)0 reviews
- VeerBritax Infant Car Seat Adapter for Cruiser$79.00(0)0 reviews
- IcebreakerMerino 200 Oasis BeanieTop Rated$30.00(18)18 reviews with an average rating of 4.7 out of 5 stars
- VeerSwitchback Car Seat Adapter for Britax$59.00(0)0 reviews
- VeerBritax Infant Car Seat Adapter for Cruiser XL$79.00(0)0 reviews
- VeerPeg Perego Infant Car Seat Adapter for Cruiser$79.00(0)0 reviews
- JBLSoundgear Sense Open-Ear HeadphonesTop Rated$164.95(40)40 reviews with an average rating of 4.5 out of 5 stars
- Outdoor ResearchArgon T-Shirt - Women'sTop Rated$39.73Save 27%compared to $55.00(54)54 reviews with an average rating of 4.6 out of 5 starsREI OUTLET
- Free CountryMicrotech Chill V-Neck T-Shirt - Women's$26.73Save 33%compared to $40.00(1)1 reviews with an average rating of 5.0 out of 5 starsREI OUTLET
- The North FaceWinter Warm Pro Insulated Vest - Men'sTop Rated$83.93Save 30%compared to $120.00(6)6 reviews with an average rating of 4.8 out of 5 stars
- Helly HansenSolen Printed Recycled 6" Water Shorts - Men's$44.73Save 36%compared to $70.00(4)4 reviews with an average rating of 3.8 out of 5 starsREI OUTLET
- PatagoniaMaipo Mid-Impact Bra$65.00(0)0 reviews
- K2Bolt 100 mm/85A Wheels - Package of 4$34.93Save 50%compared to $69.95(0)0 reviews
- RoxyOceanside Long-Sleeve Raglan Rashguard - Women's$60.00(0)0 reviews
- UPPAbabyRIDGE Bumper Bar$39.99(0)0 reviews
- Boody Eco WearActive Blended High-Waisted Full Leggings with Pockets - Women's$66.73Save 18%compared to $81.95(1)1 reviews with an average rating of 5.0 out of 5 starsREI OUTLET
- CraftNordlite Ultra Trail-Running Shoes - Men's$159.95(9)9 reviews with an average rating of 4.0 out of 5 stars
- GOREWEAR5" CONCURVE 2-in-1 Shorts - Men's$70.00(0)0 reviews
- prAnaLuxara 7/8 Leggings - Women's$99.00(0)0 reviews
- SalomonEssential Lightwarm Full-Zip Hoodie - Men'sNew arrival$90.00(1)1 reviews with an average rating of 5.0 out of 5 stars
- ALWRLDALRN Hi Viz Quarter-Zip Top - Women's$128.00(6)6 reviews with an average rating of 4.2 out of 5 stars
- ShimanoXC102 Mountain Bike Shoes - Men'sNew arrival$120.00(0)0 reviews
- NikeAlphafly 3 Road-Running Shoes - Women'sNew arrival$295.00(155)155 reviews with an average rating of 3.7 out of 5 stars
- SalomonEssential Lightwarm Half-Zip Top - Men'sNew arrival$70.00(1)1 reviews with an average rating of 5.0 out of 5 stars
- SalomonMountain Flex Hybrid Jacket - Men'sNew arrival$200.00(0)0 reviews
- SealskinzRaynham AQUASEALZ Waterproof All-Weather Mid-Length Socks$60.00(1)1 reviews with an average rating of 2.0 out of 5 stars
- VuoriLong-Sleeve Ponto Performance T-Shirt - Men's$88.00(0)0 reviews
- The North FaceSunriser Shirt - Men's$50.00(0)0 reviews
3,121–3,150 of 3,283 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.